Drying Tomatoes: 10 BEST Techniques for Preserving Your Harvest

The summer sun makes my tomato plants thrive. I feel wonder and thanks for this. These fruits are full of flavor and the result of my hard work. But, preserving them is a challenge. That’s why drying tomatoes is key – it lets me enjoy summer’s taste all year.

This guide will show you 10 ways to dry tomatoes. You’ll find methods for everyone, from experts to beginners. You’ll learn how to make the most of your tomatoes. Let’s start our journey to make delicious dried tomatoes together.

In This Article

Key Takeaways

  • Drying tomatoes is a simple and rewarding way to preserve your garden’s bounty.
  • This article will cover 10 effective drying techniques, from traditional sun-drying to modern appliance-based methods.
  • Drying tomatoes concentrates their flavor and brings out their berry-like essence, allowing you to enjoy summer’s fruits year-round.
  • The article will provide step-by-step instructions and tips for successful tomato drying, catering to various skill levels and preferences.
  • Discover the cost-effective and practical benefits of preserving your tomato harvest through drying techniques.


Preserving tomatoes is a tradition that lets us enjoy their fresh taste all year. Freezing and canning are common, but drying tomatoes is special. It makes the tomatoes sweet and flavorful for many dishes.

Why Dry Tomatoes?

Drying tomatoes is a great way to keep them fresh longer. It doesn’t change their taste or texture like freezing or canning do. This method keeps the tomatoes’ natural goodness. You get dried tomatoes that are full of flavor for many recipes.

Overview of Drying Techniques

There are many ways to dry tomatoes at home. These include sun drying, oven drying, and using a dehydrator. Each method has its own benefits and things to consider. The way you dry tomatoes affects their taste, texture, and how you can rehydrate them later.

We’ll look at each drying method in detail. This will help you pick the best one for you.

1. Sun Drying

Sun drying is a classic way to preserve tomatoes. It uses the sun’s heat and low humidity to dry the fruit. You need dry, sunny days with temperatures in the 90s and low humidity for this method.

Ideal Conditions for Sun Drying

The best weather for drying tomatoes includes:

  • Dry, sunny days with temperatures between 90-100°F
  • Low humidity, less than 20%
  • Clear skies and little cloud cover
  • Light breezes for airflow and drying

Step-by-Step Process

Here’s how to dry your tomatoes in the sun:

  1. Wash and slice the tomatoes about 1-1.5 inches thick.
  2. Put the tomato slices on clean, mesh screens or trays in a single layer.
  3. Use cheesecloth to cover the trays and keep out insects and birds.
  4. Put the trays in a sunny spot with good air flow.
  5. Bring the trays inside at night or if it might rain to keep them dry.
  6. Sun drying can take 3 days to a week, depending on the weather and tomato thickness.

Tips for Success

Here are tips for drying tomatoes in the sun:

  • Use plum or paste tomatoes for better drying.
  • Slice the tomatoes the same size for even drying.
  • Turn the trays to get the sun evenly on all sides.
  • Watch the tomatoes and bring them inside if it’s going to rain or get too humid.
  • Soak dried tomatoes in olive oil to make them plump again.
  • Keep sun-dried tomatoes in an airtight container or vacuum-sealed bag in the fridge or freezer.

Sun drying is a natural way to keep your tomatoes’ flavor and sweetness. With the right weather and patience, you can enjoy homemade sun-dried tomatoes all year.

sun-dried tomatoes

2. Oven Drying

Looking for a simple way to dry tomatoes? Your oven is a great choice. It uses gentle heat to make oven-dried tomatoes. These are great for salads, pasta, and more.

Preparing Tomatoes for Oven Drying

Choose the right tomatoes for drying. Go for Roma, heirloom, or similar types with lots of flesh. Slice them 1/4 to 1/2 inch thick for even drying.

Temperature and Timing

  1. Heat your oven to 140°F to 145°F. This low heat helps dry tomatoes slowly without burning them.
  2. Put tomato slices on a baking sheet lined with parchment or silicone. Make sure they don’t touch each other.
  3. Open the oven door a bit to let moisture out. Let the oven-dried tomatoes dry for 6 to 12 hours, depending on their size and moisture.
  4. For a different taste, try slow-roasting at 225°F. This makes slow-roasted tomatoes that are moist and tasty. They last about a week in the fridge or 6 months frozen.

Storing Oven-Dried Tomatoes

When the oven-dried tomatoes are dry and flexible, take them out of the oven. Put them in airtight containers like glass jars or plastic bags for up to 6 months. You can eat them as a snack, use them in recipes, or rehydrate them for soups and sauces.

3. Dehydrator Drying

An electric food dehydrator is great for drying tomatoes. It keeps the right temperature (135°F to 140°F) and humidity for drying. Look for one with a fan, temperature controls, and a timer. Drying can take 5 to 9 hours, so follow the instructions carefully.

You can also use convection ovens at 110°F to 140°F for drying. But, they can’t dry as much as dehydrators. Make sure to turn the trays and check on the tomatoes often for even drying.

Choosing the Right Dehydrator

When picking a dehydrator, consider these features:

  • Adjustable temperature control (95°F to 155°F)
  • Strong fan for good air flow
  • Many trays to dry more tomatoes
  • Timer for drying without supervision
  • Transparent door or lid for easy watching

Dehydrating Process and Tips

Use a temperature of 140°F for drying tomatoes. The time needed depends on the tomato type and size. It usually takes 6 to 8 hours to dry them to the right level, which should be a bit soft.

Tomato Preparation Drying Time Shelf Life
Sliced at 1/4 inch thick 6-8 hours 4 days refrigerated, several months frozen
Diced at 1/2 to 1 inch cubes 6-8 hours 4 days refrigerated, several months frozen
Halved for small-sized tomatoes 6-8 hours 4 days refrigerated, several months frozen

Ensuring Even Drying

For even drying, turn the trays in your dehydrator and check on the tomatoes often. The edges dry faster, so watch them closely. Adjust the temperature and airflow as needed for even drying.

dehydrator drying

“Dehydrating tomatoes is a game-changer for preserving the harvest. With a high-quality dehydrator, you can enjoy the intense flavor and convenience of dried tomatoes year-round.”

4. Air Drying

Air drying is a simple way to dry tomatoes. It uses the air around us to remove moisture. This method works well in dry, warm places with low humidity. You don’t need special equipment to do this.

Suitable Environments for Air Drying

For air drying to work, you need the right place. Look for a spot that:

  • Is dry, warm, and not too humid.
  • Has good air movement, maybe with fans.
  • Keeps the tomatoes safe from sun, rain, and bugs.
  • Has trays or screens that let air flow under the tomatoes.

Steps to Air Dry Tomatoes

To dry tomatoes in the air, just follow these steps:

  1. Wash and remove the seeds from the tomatoes. Cut them into thin slices, about 1/4 to 1/2 inch thick.
  2. Put the tomato slices on trays or racks in a single layer. Make sure they don’t touch each other.
  3. Put the trays off the ground to let air move under them.
  4. Cover the trays with cheesecloth or a mesh screen to keep out bugs and dust.
  5. Put the trays in a place with good air flow, like a garage or attic. Let them dry for 3 days to a week, depending on the weather.
  6. Bring the trays inside at night or if it might rain to keep them dry.

Preventing Mold and Spoilage

Good air flow and checking on the tomatoes are key to avoiding mold and spoilage. Look for any moisture or mold and fix the air flow if needed. Remove any tomatoes that are spoiling. Here are some tips to keep your tomatoes safe:

  • Use a dehumidifier or fan to keep the air dry.
  • Add a bit of red wine vinegar to the tomatoes to stop mold.
  • Put the dried tomatoes in containers or bags that seal tight once they’re dry.

By following these steps and being careful, you can dry your tomatoes in the air. Enjoy their taste and texture all year.

Air Drying TomatoesDrying Tomatoes Without an OvenDrying Tomatoes at Home

5. Microwave Drying

For small batches of tomatoes, the microwave is a fast way to dry them. This microwave drying is great for cherry or grape tomatoes because they have less moisture. Put the tomato halves or slices in a single layer on a microwave-safe plate. Then, microwave in short bursts of 1-2 minutes, turning the tomatoes often. But, be careful not to overheat them, or they might get tough and leathery.

Quick Method for Small Batches

Microwave drying is a quick tomato drying method that takes just minutes. It’s perfect for preserving small amounts of tomatoes like cherry or grape. These tomatoes have less moisture than big tomatoes.

Safety Tips and Tricks

  • Put the tomato slices or halves in a single layer on a microwave-safe plate or dish for even drying.
  • Use short microwave bursts of 1-2 minutes, checking and turning the tomatoes often to avoid overheating.
  • Be careful not to use too much microwave power or dry the tomatoes for too long. This can make them tough and leathery.

Storing Microwave-Dried Tomatoes

After drying, let the microwave dried tomatoes cool down. Then, store them in airtight containers. This method is good for short-term use. The tomatoes might not last as long as those dried by sun drying or dehydrator drying.

microwave drying tomatoes

“Microwave drying is a quick and convenient way to preserve small batches of tomatoes, but it’s important to monitor the process carefully to avoid overcooking.”

6. Freeze Drying

Freeze drying takes moisture out of tomatoes while keeping their fresh taste and texture. It freezes the tomatoes fast, then uses a freeze dryer appliance to remove moisture slowly under low pressure. This makes freeze dried tomatoes that are light, crunchy, and can last for years.

Overview of Freeze Drying Process

Getting a home freeze dryer costs money but has many benefits. It lets you make tomato powder, paste, and juice from one batch. If stored right, freeze-dried tomatoes can be soaked in water or other liquids. Then, they can be used in many recipes.

Using a Home Freeze Dryer

Freezing tomatoes for freeze-drying takes 24 hours. For freeze-drying tomatoes, add an extra drying time of about 12 hours. It’s best to slice tomatoes no thicker than ½ inch. Cut cherry tomatoes in halves or quarters too.

Storage and Rehydration Tips

Use vacuum-sealed glass jars or Mylar bags with oxygen absorbers to store freeze-dried tomatoes. Always label them with the date and type. When soaking them, use a little liquid to make pastes or sauces.

Freeze Dried Tomatoes

“Freeze drying keeps Vitamin C and Vitamin A safe. These nutrients are lost when food is heated. Freeze-dried food stays good for up to twenty years.”

Rehydrating freeze-dried tomatoes is easy with water. They can be used like fresh tomatoes or sauce in soups, stews, chili, and more.

7. Using a Convection Oven

Convection ovens have fans that move hot air around. They’re great for drying tomatoes instead of using a special dehydrator. The air flows constantly and stays at a low temperature (110°F to 140°F). This is perfect for drying tomatoes without losing their taste or texture.

Benefits of Convection Drying

Convection oven drying has many advantages over traditional oven drying:

  • Faster drying times thanks to the moving hot air
  • Even heat makes drying consistent
  • Keeps the tomatoes sweet and full of nutrients
  • Less chance of burning the tomatoes

Steps for Drying Tomatoes in a Convection Oven

To dry tomatoes in a convection oven, do the following:

  1. Prepare the tomatoes by slicing or halving them, depending on what you like.
  2. Put the tomato slices or halves in a single layer on a baking sheet or mesh screen.
  3. Set the oven to the right temperature, usually between 110°F and 140°F, as the maker says.
  4. Watch the tomatoes dry, turning the trays as needed, until they’re dry but still flexible.

Drying tomatoes in a convection oven takes 4 to 8 hours. This depends on the tomato type, slice thickness, and oven settings.

Storage Tips

Store convection-dried tomatoes in airtight containers for up to 6 months. For longer storage, put them in the fridge or freezer. To rehydrate, soak them in warm water or broth for 10-15 minutes before adding to recipes.

“Convection oven drying changes the game for preserving tomatoes. The air flow and lower temperatures make perfect dried tomatoes. They keep their color and sweetness.”

Using your convection oven lets you enjoy your tomato harvest all year. Try this drying method and see the difference for yourself.

8. Drying with a Food Processor Attachment

Food processors are now more than just for chopping and mixing. Some models come with special attachments for drying foods like tomatoes. These attachments let you dry tomatoes while you work on other dishes. It makes drying food easy and efficient.

Suitable Food Processors and Attachments

When picking a food processor for drying tomatoes, choose one with strong power and different speed settings. Brands like KitchenAid and Breville make attachments just for drying. These attachments have trays or screens that fit in the processor bowl. They help with airflow and temperature control for drying.

Drying Process and Best Practices

  1. Start by washing, coring, and cutting the tomatoes into the same size pieces.
  2. Put the tomatoes on the drying trays or screens in the processor attachment.
  3. Use the temperature and time as the maker suggests, usually 140-150°F for 8-10 hours, for even drying.
  4. Check on the tomatoes now and then, turning the trays if needed, to make sure they dry evenly.
  5. When the tomatoes are dry enough, take them out of the processor and let them cool before storing.

Maintaining Flavor and Texture

Using a food processor attachment to dry tomatoes keeps their taste and texture. The controlled heat and air flow stop the tomatoes from getting too hard or losing their oils and nutrients. By following the right steps and watching the drying, you get tasty, soft dried tomatoes for many recipes.

Drying Technique Recommended Temperature Drying Time Storage Recommendation
Food Processor Attachment 140-150°F 8-10 hours Freezer or refrigerator for longer shelf life

“Drying tomatoes in a food processor attachment is a game-changer, allowing me to easily preserve my harvest without sacrificing flavor or texture.”

9. Salt-Curing Tomatoes

Salt-curing is an old way to keep tomatoes fresh. It makes a tasty, long-lasting dried product. By using salt, you remove moisture and get a special flavor. This flavor is great for many dishes.

Traditional Salt-Curing Method

The traditional way to salt-cure tomatoes is easy. First, wash and slice the tomatoes thinly. Put the slices in a dish or crock, then add salt on each layer. Cover it and let it sit for 1 to 2 weeks, adding salt when needed.

Steps for Salt-Curing Tomatoes

  1. Wash and slice the tomatoes into thin, uniform pieces.
  2. Arrange the tomato slices in a shallow baking dish or crock.
  3. Sprinkle each layer liberally with coarse sea salt or kosher salt.
  4. Cover the container and let the tomatoes cure for 1 to 2 weeks.
  5. Check the tomatoes periodically and add more salt as needed.

Using and Storing Salt-Cured Tomatoes

After the tomatoes dry and the salt absorbs moisture, rinse them. Then, dry them well. You can now keep these tomatoes in containers at room temperature for months. They’re great for adding flavor to many dishes, like pasta sauces and salads.

“Salt-curing is a traditional technique that transforms fresh tomatoes into a shelf-stable, flavor-packed ingredient. The process of drawing out moisture with salt creates a unique, umami-rich tomato that can elevate countless dishes.”

For more info on drying tomatoes, check out these links: Drying Tomatoes, Taming the Tomato Glut: Part 3 – Sun-Dried, and Dry Tomatoes on the Stove.

10. Drying Tomatoes on Racks

Drying tomatoes on racks is easy and uses no fancy tech. It lets air move well and dry tomatoes evenly. This method is perfect for keeping your tomato harvest fresh and enjoying their sweet taste all year.

Preparing Tomatoes for Rack Drying

Start by washing your tomatoes and taking out the cores. Cut or halve them as you like. Put the tomato pieces on clean racks or screens without letting them touch. This helps air move around them and dry them evenly.

Ensuring Proper Airflow

It’s important to put the racks in a spot that’s warm, dry, and well-ventilated. You can put them near a window, in the sun, or in a drying room with a fan. Turn the racks often and check the tomatoes. Take out any that are dry and leathery-soft.

Long-Term Storage Solutions

After drying, store the air-dried tomatoes in airtight containers or Mylar bags with oxygen absorbers. This keeps them fresh for up to 18 months.

“Drying tomatoes on racks is a simple, low-cost way to preserve your harvest and enjoy the intense flavors of drying tomatoes on racks year-round.”

This easy rack drying tomatoes method lets you enjoy the sweet taste of your tomatoes all year. With patience and good airflow, you can make a lot of air-dried tomatoes. These will make your cooking better for months.


In this guide, we looked at 10 ways to dry tomatoes. We covered everything from sun-drying to using modern appliances. Each method has its own benefits, like the ease of using an oven or dehydrator. Try different drying methods to see what works best for you.

Recap of Drying Techniques

We talked about many ways to dry tomatoes. These include sun-drying, oven-drying, and even freeze-drying. Each method has its pros and cons. Think about time, energy, and what you want your tomatoes to taste like.

Encouragement to Try Different Methods

Preserving tomatoes is fun and rewarding. Don’t hesitate to try new techniques. You might want to make sun-dried chips, powders, or slices. Just be open to new ideas.

Final Tips for Successful Tomato Drying

When drying tomatoes, watch them closely and store them well. This way, you’ll enjoy their flavor all year. With practice, you’ll master tomato preservation and enjoy summer’s taste all year.


What are the key reasons to dry tomatoes?

Drying tomatoes keeps their fresh taste. It’s better than freezing or canning, which can change the flavor. Drying makes the tomatoes dry and full of flavor. You can use them in many dishes all year.

What are the different techniques available for drying tomatoes?

There are 10 ways to dry tomatoes, like sun-drying and using an oven. Each method has its own benefits. You can choose the best one for you.

How do you successfully sun-dry tomatoes?

To sun-dry tomatoes, find a sunny spot with low humidity. Put the tomatoes on mesh screens and cover them with cheesecloth. Bring them inside at night or if it rains. It can take 3 days to a week to dry them right.

What are the benefits of using a dehydrator for drying tomatoes?

Dehydrators dry tomatoes well by keeping the right temperature and humidity. They work fast, in 5 to 9 hours. You can also use a convection oven for drying, but dehydrators are better.

How do you air-dry tomatoes successfully?

Air drying needs dry, warm weather with low humidity. Wash and slice the tomatoes, then lay them out to dry. Use cheesecloth to keep away bugs and dust. Bring them inside at night or in the rain. Watch them closely to avoid mold.

What are the benefits of freeze-drying tomatoes?

Freeze drying keeps tomatoes fresh-tasting and crunchy. It’s a special way to remove moisture. Freeze-dried tomatoes are light and can be stored for years. You can rehydrate them for many recipes.

How do you dry tomatoes in a convection oven?

Convection ovens are great for drying tomatoes. Put the tomatoes on a baking sheet and set the oven to 110°F to 140°F. Check on them and turn the trays until they’re dry. They can last up to 6 months in airtight containers.

How can you use a food processor attachment to dry tomatoes?

Some food processors have attachments for drying tomatoes. These attachments let you dry tomatoes with your processor. Just follow the instructions to get the best results.

How do you salt-cure tomatoes?

Salting tomatoes is an old way to preserve them. Layer the tomatoes with salt to dry them out. Let them cure for 1 to 2 weeks, then rinse off the salt. They can be stored for months and used in many dishes.

How do you dry tomatoes on racks?

Drying tomatoes on racks is easy and effective. Wash and slice the tomatoes, then lay them out on racks. Keep them in a dry place and check on them often. Once dry, store them in containers or bags for a long time.

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