How To Sun Dry Tomatoes Uk? 12 Best Steps

Bask in the golden hues of the British summertime and transform the humble tomato into a culinary treasure with the art of sun-drying!

Amidst the unpredictable whims of the UK climate, capturing those rare, glorious rays to create sun-dried tomatoes might seem like a task for the patient or the lucky.

Yet, with a sprinkle of creativity and a dash of ingenuity, you can harness the power of the sun to concentrate the very essence of summer into each ruby-red slice.

Whether you’re a seasoned gardener with a bumper crop, a food enthusiast eager to add a homemade touch to your dishes, or simply someone looking to bring a slice of Mediterranean warmth to the British Isles,

this guide on how to sun-dry tomatoes in the UK will transform your culinary endeavors into sun-kissed delights.Sun Dry Tomatoes

How To Sun Dry Tomatoes Uk

Sun drying tomatoes in the UK transforms them into a concentrated flavor powerhouse, ideal for enhancing pastas, salads, and antipasti platters.

This simple, age-old preservation method requires just ripe tomatoes, salt, and the British summer sun.

Despite the UK’s variable climate, with the right technique, you can successfully sun-dry tomatoes at home.

Begin by selecting the sunniest days from late July through August for optimal drying conditions. The process, although slow, rewards with richly flavored, sun-kissed tomatoes that elevate any dish they grace.

Selecting and Preparing Your Tomatoes

Choosing the right tomatoes is crucial for sun-drying success. Opt for firm, ripe varieties with a balance of meatiness and juiciness, such as Roma or Plum tomatoes.

Begin by washing the tomatoes thoroughly and slicing them in half lengthwise. If you’re working with larger tomatoes, consider quartering them to ensure even drying.

A sprinkle of salt on the cut sides not only seasons the tomatoes but also helps draw out moisture, accelerating the drying process. Some enthusiasts also add herbs, such as basil or oregano, for enhanced flavor.

Setting Up Your Drying Area

In the UK, creating a conducive environment for sun-drying tomatoes requires a bit of ingenuity due to the less predictable climate.

A well-ventilated greenhouse or a polytunnel can offer a suitable alternative to direct outdoor sun. If these are not available, setting up a drying rack in the sunniest part of your garden will do.

Ensure the rack is covered with a fine mesh to protect your tomatoes from insects and birds. Positioning the rack to maximize exposure to sunlight will reduce drying time and prevent spoilage.

The Drying Process

Patience is key when sun-drying tomatoes in the UK. The process can take anywhere from 3 to 10 days, depending on the thickness of the slices and the whims of the British weather.

The tomatoes should be turned daily to ensure even drying and brought indoors or covered during the night to protect them from dew and potential rain.

You’ll know your tomatoes are properly dried when they are leathery but still pliable, without any moist spots that could lead to mold.

Storage and Usage

Once dried, cool the tomatoes to room temperature to avoid condensation before packing them into airtight containers.

For added flavor and preservation, you can layer them with olive oil in jars, adding garlic or herbs for extra zest. Sun-dried tomatoes prepared this way can last for months, providing a taste of summer even in the depths of a British winter.

Incorporate them into your cooking to impart a sweet, tangy intensity to dishes, rehydrating them if necessary or using them directly from the jar.

Selecting the Right Tomato Varieties

Selecting the right tomato varieties is crucial for successful sun-drying. Optimal choices like Roma and San Marzano offer rich flavor and dense flesh ideal for drying.

In the UK, sourcing quality tomatoes involves considering local farmers’ markets or trusted suppliers. When growing tomatoes, prioritize sun exposure and adequate watering for optimal development.

Ripeness and size play pivotal roles in sun-drying, ensuring maximum flavor concentration and efficient moisture removal. Don’t overlook these factors when selecting or harvesting tomatoes for sun-drying.

Necessary Equipment and Preparations

When it comes to making DIY projects like drying herbs or crafting homemade goods, having the right equipment and preparing your workspace properly is crucial.

Essential tools include drying racks, cheesecloth, and mesh screens. Prioritize safety and hygiene by selecting a sunny, well-ventilated area for your workspace.

Ensure proper ventilation to prevent mold and mildew. Use gloves to protect your hands, and clean all equipment thoroughly before and after use. These preparations are essential for successful DIY endeavors.

Sun Dry Tomatoes

Preparing Tomatoes for Drying

Step Description
1. Select ripe tomatoes Choose ripe tomatoes with firm, unblemished skin for the best flavor and texture.
2. Wash tomatoes Rinse the tomatoes under cool running water to remove any dirt or debris.
3. Slice tomatoes Cut the tomatoes into evenly sized slices, about 1/4 to 1/2 inch thick, for uniform drying.
4. Remove seeds and pulp Optionally, remove the seeds and excess pulp from the tomato slices to speed up the drying process.
5. Arrange on drying trays Place the tomato slices in a single layer on clean, dry drying trays or baking sheets lined with parchment paper. Ensure there is space between each slice for air circulation.
6. Sprinkle with salt (optional) Lightly sprinkle the tomato slices with salt to enhance flavor and aid in the drying process.
7. Place in a sunny location Position the drying trays in a sunny, well-ventilated area outdoors. Ensure the location receives ample sunlight throughout the day.
8. Cover with mesh or cheesecloth To protect the tomatoes from insects and debris, cover the drying trays with a fine mesh or cheesecloth.
9. Rotate periodically Rotate the trays every few hours to ensure even drying and prevent sticking.
10. Bring indoors at night If the weather is cool or humid, bring the drying trays indoors overnight to prevent moisture absorption.
11. Check for doneness The tomatoes are ready when they are dry, slightly leathery, and have no visible moisture. This may take 3 to 7 days depending on weather conditions.
12. Store properly Once dried, cool the tomatoes completely and store them in an airtight container or resealable bags in a cool, dark place. Alternatively, store them in olive oil for added flavor.

The Drying Process

Arrangement for Maximum Sun Exposure: Begin by slicing tomatoes evenly to promote uniform drying. Arrange them on drying racks or mesh trays, ensuring none overlap, to allow for maximum airflow and sun exposure.

Position these trays in the sunniest part of your garden or yard, typically south-facing, to capture peak sunlight.

Daily Management Rituals: Rotate your trays regularly to ensure each tomato receives equal sun exposure, accelerating the drying process. This daily rotation prevents moisture buildup, a crucial step in avoiding mold.

Vigilance against pests and rain is paramount; consider covering your trays with fine netting to protect from insects and birds. In case of rain, be prepared to move your trays to a sheltered location promptly.

Adapting to the UK’s Weather: The UK’s unpredictable weather can pose a challenge to sun-drying. On less sunny days, supplement the drying process with indoor techniques.

A well-ventilated greenhouse or a sunny windowsill can serve as excellent alternatives. For consistently damp or overcast days, consider using a dehydrator or a low oven to mimic the sun’s effect, ensuring your tomatoes don’t remain unduly moist.

Identifying Perfectly Dried Tomatoes: Your tomatoes are ideally dried when they are leathery and pliable, without any visible moisture but still retaining a slight chewiness.

Over-dried tomatoes may become too brittle, while under-dried can lead to mold growth. Properly dried tomatoes should exhibit a deep, rich color and concentrated flavor, a testament to your successful drying process.

Taste of Summer – Storing Sun-Dried Tomatoes

Unlock the secret to year-round gourmet flavors with our expert guide on storing sun-dried tomatoes. Dive into the best practices for cooling and packing these ruby-red jewels of the kitchen, ensuring they retain their intense, sweet-tart essence.

Cooling & Packing: A Mastery Over Time

After dehydrating, let tomatoes cool to room temperature; a crucial step to prevent condensation. Once cool, pack them snugly yet gently, a method that preserves their rich, concentrated flavor.

Storage Solutions: Tailoring to Taste and Need

Oil-Packed Delight: Submerge in high-quality olive oil, adding herbs for an infused taste. This method, popular for its ready-to-use convenience, transforms dishes with a burst of Mediterranean flair.

Vacuum-Sealed Freshness: For those seeking longevity and space efficiency, vacuum-sealing is unmatched. It locks in freshness, ensuring a burst of summer in your dishes, anytime.

Frozen in Time: Freezing offers a straightforward approach to preservation. It’s a no-fuss strategy for keeping sun-dried tomatoes handy for impromptu culinary creations.

Shelf Life & Spoilage: Vigilance Ensures Vibrance

Understanding shelf life is key to enjoying your sun-dried tomatoes at their peak. Oil-packed varieties can last up to 6 months in the refrigerator, while vacuum-sealed and frozen options promise a year or more of preserved perfection.

Stay vigilant for signs of spoilage such as mold, off-odors, or texture changes, ensuring your sun-dried tomatoes remain a safe and delicious addition to any meal.

Troubleshooting Common Issues

Addressing problems such as mold, uneven drying, and loss of flavor.

How to salvage partially dried or over-dried tomatoes.

When drying tomatoes, enthusiasts often encounter frustrating hurdles, such as mold growth, uneven drying, and a disappointing loss of flavor.

This chapter delves into effective strategies for overcoming these common drying dilemmas, ensuring your preserved tomatoes retain their mouth-watering taste and texture.

Combatting Mold in Dried Tomatoes

Mold on dried tomatoes is a common concern. To prevent this unwelcome guest, ensure thorough washing and completely dry your tomatoes before the drying process.

Use a dehydrator or oven at the correct temperature, typically between 135-145°F (57-63°C), to inhibit mold growth.

Store dried tomatoes in airtight containers in a cool, dark place to keep mold at bay.

Fixing Unevenly Dried Tomatoes

Uneven drying leaves some parts of the tomato chewy while others are crispy. To fix this, slice tomatoes uniformly and arrange them in a single layer without overlap on the drying tray.

Rotate trays and flip tomatoes periodically during drying. Consistent slicing and diligent rotation are your best defenses against uneven drying.

Restoring Lost Flavor in Dried Tomatoes

Loss of flavor can disappoint but is not irreversible. Enhance the taste of bland dried tomatoes by marinating them in olive oil with herbs like basil, oregano, or garlic.

This not only restores their vibrant flavor but also extends their shelf life.

Salvaging Partially Dried or Over-Dried Tomatoes

If tomatoes haven’t dried properly, finish the drying process by checking their texture and returning them to the dehydrator or oven until adequately dried.

For over-dried tomatoes, rehydrate them by soaking in water, broth, or a flavorful marinade to bring back their plumpness and taste. This technique is especially useful for recipes requiring softer textures.

Sun Dry Tomatoes

How to Make Sun Dried Tomatoes (in the Sun, Oven or Dehydrator)

Creating sun-dried tomatoes is a delightful way to preserve the bounty of summer tomatoes and enjoy their concentrated sweetness and tanginess year-round.

Whether you choose the traditional sun-drying method, an oven, or a dehydrator, each technique brings out a unique depth of flavor in the tomatoes. Here’s how to make sun-dried tomatoes using these three methods:


Ripe tomatoes (Roma or Plum tomatoes work best)
Sea salt (optional)
Herbs and spices (optional, for marinating)

Sun-Drying Method:

Prepare Tomatoes: Wash and slice the tomatoes in half lengthwise. If using larger tomatoes, you might want to slice them into quarters. Gently squeeze or scoop out the seeds.

Salt: Lightly sprinkle the cut surfaces with sea salt to enhance flavor and help remove moisture.
Lay Out: Place the tomato halves, cut side up, on a raised screen or rack to ensure good air circulation. Avoid metal surfaces as they can react with the tomatoes.

Cover: Protect the tomatoes from insects and dust by covering them with a fine mesh or cheesecloth.

Sun-Dry: Leave the tomatoes in full sun during the day, bringing them inside or covering them at night to protect from moisture and dew. This process can take 3-4 days, depending on the humidity and temperature.

Condition: Once dried, place the tomatoes in a sealed container for several days to condition, allowing moisture to evenly distribute.

Oven-Drying Method:

Prepare Tomatoes: Follow the same preparation steps as for the sun-drying method.
Oven Setup: Preheat your oven to the lowest setting, ideally around 200°F (93°C) or less.

Bake: Place the tomatoes on a parchment-lined baking sheet, cut side up. Bake for about 6-12 hours, depending on tomato size and oven temperature. Keep the oven door slightly ajar to allow moisture to escape.

Check and Cool: Tomatoes are done when they are dry but still pliable. Let them cool before storing.

Dehydrator Method:

Prepare Tomatoes: Follow the same initial steps as for the sun-drying and oven-drying methods.

Dehydrator Setup: Arrange the tomatoes on the dehydrator trays, ensuring they don’t touch for better air circulation.

Dry: Set the dehydrator to 135°F (57°C) and dry for about 8-10 hours, checking periodically. Drying times may vary based on the dehydrator and thickness of the tomato slices.

Cool and Store: Allow the dried tomatoes to cool before transferring them to storage containers.


Store your sun-dried tomatoes in an airtight container in a cool, dark place for up to 6-12 months. For longer preservation, you can also freeze them or pack them in oil with added herbs and spices.


  • Choose firm, ripe tomatoes for the best flavor and texture.
  • The addition of herbs and spices can enhance the flavor of your sun-dried tomatoes. Popular
  • choices include basil, oregano, garlic, and chili flakes.
  • If packing in oil, ensure the tomatoes are completely submerged to avoid mold growth.

Advanced Tips and Variations

Discover the art of drying techniques to unlock a spectrum of textures and flavors in sun-dried tomatoes. Learn the secrets to perfectly marinated sun-dried tomatoes, infusing them with a burst of flavor that elevates any dish.

Dive into the creative world of utilizing the rich, flavorful oil from oil-packed sun-dried tomatoes, transforming ordinary recipes into gourmet masterpieces.

Key Techniques and Variations:

Explore low-temperature oven drying and natural sunlight methods to achieve desired chewiness or crispiness.

Marination magic: Enhance your sun-dried tomatoes with garlic, herbs, and spices, soaking in depth and complexity.
Oil utilization: Embrace the aromatic oil from oil-packed varieties for dressings, sautés, and flavor boosts.

FAQ: How To Sun Dry Tomatoes in the UK

Sun Dry Tomatoes

 Can I sun-dry tomatoes in the UK, given its climate?

Absolutely! While the UK isn’t known for its scorching sun, with some planning and the right conditions, you can successfully sun-dry tomatoes during the warmer and sunnier days, particularly from late June through August.

What type of tomatoes is best for sun-drying in the UK?

Plum or Roma tomatoes are often preferred for sun-drying due to their lower moisture content and firmer flesh. However, cherry tomatoes also work well and can be quicker to dry due to their smaller size.

 How should I prepare my tomatoes for sun-drying?

Begin by washing your tomatoes and cutting them in half lengthwise. If you’re using larger tomatoes, you might want to scoop out the seeds. Then, lightly salt the cut surfaces to enhance flavor and help draw out moisture.

What’s the best setup for sun-drying tomatoes in the UK?

Arrange your tomato halves, cut-side up, on a wire rack for optimal airflow. Place the rack in a suntrap location that receives direct sunlight for the majority of the day. Cover with a fine mesh netting to protect from insects.

How long does it take to sun-dry tomatoes in the UK?

The drying time can vary widely based on the type of tomato, its size, and the weather conditions. Typically, it might take 3-5 sunny days. If not fully dried within this time, you can finish the process in an oven at a low temperature.

 How can I tell when my sun-dried tomatoes are ready?

Properly dried tomatoes should be leathery and pliable, not sticky or moist. They should not be crispy but should have a bit of give when bent.

 What should I do if the weather changes and it’s no longer sunny?

If the weather turns, you can move your tomatoes indoors and place them in a very low oven (around 50-60°C) to continue drying. Alternatively, use a dehydrator if you have one.

 How should I store my sun-dried tomatoes?

Once dried, cool your tomatoes and then pack them into airtight containers. For longer storage, you can also cover them with olive oil, adding herbs like rosemary or garlic for extra flavor. Store in the refrigerator for up to 6 months.

Are there any health concerns with sun-drying tomatoes at home?

The primary concern is ensuring that the tomatoes are fully dried to prevent mold and bacterial growth. Always start with fresh, undamaged tomatoes and follow hygiene practices throughout the drying process.

 Can I use sun-dried tomatoes in recipes differently than fresh tomatoes?

Yes, sun-dried tomatoes have a concentrated flavor and are typically used in smaller quantities. They’re excellent in pasta dishes, salads, bread, or as a flavorful addition to sauces and dips. Rehydrate them in water or olive oil if needed before use.


Conclusively, sun-drying tomatoes in the UK, despite the country’s variable climate, is a feasible and rewarding endeavor.

By selecting the right variety of tomatoes, slicing them appropriately, and leveraging the sunniest days between June and September, one can effectively harness the natural drying process.

Employing a protective setup, such as a mesh-covered frame, ensures the tomatoes dry evenly while being safeguarded from pests.

This method not only preserves the rich, concentrated flavors of summer for year-round enjoyment but also aligns with sustainable practices by utilizing solar energy.

With a little patience and adherence to the outlined steps, anyone in the UK can master the art of sun-drying tomatoes, adding a homemade touch to a wide array of culinary creations.

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