Preserving the Pantry: Dehydrating Canned Vegetables 101

Dehydrating Canned Vegetables: A Comprehensive Guide

Dehydrating vegetables is a popular method of food preservation that offers several benefits, including extended shelf life, space-saving storage, and versatility in culinary applications. While fresh or frozen vegetables are commonly dehydrated, you may be wondering if it’s possible to dehydrate canned vegetables. In this article, we will explore the process of dehydrating canned vegetables, discuss the best vegetables to dehydrate, and provide step-by-step instructions for both dehydrator and oven methods.

Best Vegetables to Dehydrate

Certain vegetables dehydrate better than others, and this is true for canned vegetables as well. Here is a list of vegetables that dehydrate well and can be a great choice for your dehydrating efforts:

  • Dehydrated Peas
  • Pumpkin
  • Carrot
  • Broccoli Flower
  • Spuds
  • Turnips
  • Greens
  • Tomatoes
  • Green Beans
  • Onions
  • Celery
  • Sweet Corn
  • Bell Peppers
  • Squash

Once dehydrated, these vegetables can be used in a variety of ways. They can be enjoyed as vegetable chips, rehydrated for use in soups, stews, or other dishes, or used as a crunchy topping. The versatility of dehydrated vegetables makes them an excellent addition to your pantry.

Dehydrating Canned Vegetables: The Process

Dehydrating canned vegetables is a relatively simple process that yields satisfying results. Whether you have home-canned vegetables or store-bought canned goods, the steps for dehydrating remain the same.

Canning Process: An Overview

To understand how to dehydrate canned vegetables, it’s important to understand the canning process. Canning is the process of preserving vegetables in jars through a combination of heat and sealing. Here is a simplified breakdown of the canning process:

  1. Choose your vegetables.
  2. Wash, peel and remove seeds if necessary.
  3. Cut vegetables into desired sizes.
  4. Cook the vegetables in water for about 5 minutes.
  5. Preheat mason jars and fill with vegetables.
  6. Add canning salt if desired.
  7. Wipe the rims of the jars to remove any air bubbles.
  8. Place the jars in the canner and cover with water.
  9. Follow the canning schedule and instructions for your specific canner.

Dehydrating Canned Vegetables: Step-by-Step Instructions

Whether you are working with home-canned or store-bought vegetables, the following steps will guide you through the process of dehydrating canned vegetables.

  1. Open the canned vegetables and drain well. Rinsing is optional, but not recommended, as it may affect the seasoning or flavor.
  2. Pat the vegetables dry.
  3. For dehydrating with a dehydrator:
    • Spread vegetables in a flat, single layer on dehydrator trays.
    • Set the dehydrator to a low temperature, about 125 degrees Fahrenheit.
    • Place the vegetables in the dehydrator for about 6-8 hours.
    • Once dehydrated, vacuum seal the vegetables for optimal freshness or make sure they are well sealed for storage.
  4. For dehydrating with an oven:
    • Preheat your oven to the lowest temperature available, preferably 200 degrees Fahrenheit or lower.
    • Line a shallow baking pan with parchment paper.
    • Spread the vegetables in a single layer on the pan.
    • Place the pan in the oven and dry the vegetables until they are dry and brittle. This can take up to 8 hours.
    • Monitor the vegetables throughout the process, turning them periodically.
    • Once dehydrated, vacuum seal or store in an airtight container for optimal storage.

Pros and cons of dehydrating canned vegetables

Dehydrating canned vegetables offers several advantages and a few potential disadvantages. Here is a brief list of the pros and cons:

  • Takes up less space than canning.
  • Sealed packages that can last for years.
  • Versatile for multiple culinary applications.
  • Can be eaten straight from the package or used in cooking.
  • Simple process that only requires a dehydrator or oven.


  • Rinsing may cause loss of flavor.
  • Results may vary in consistency.
  • Drying is best done with a dehydrator, but can be accomplished with an oven.
  • Dehydrated vegetables are dry and brittle, but can still be used in many ways.


Dehydrating canned vegetables is a viable option for preserving and utilizing your canned goods. While fresh or frozen vegetables may offer slightly better results, dehydrating canned vegetables is a simple process that can yield satisfactory results. By following the step-by-step instructions provided in this guide, you can successfully dehydrate a variety of vegetables and enjoy their benefits in your culinary endeavors. So if you’re looking to make the most of your canned vegetables and free up some pantry space, give dehydrating a try. Experiment with different vegetables, spices, and uses to discover new flavors and possibilities in your kitchen. Happy Dehydrating!


Can you dehydrate canned vegetables?

Yes, you can dehydrate canned vegetables. The process involves draining the canned vegetables, patting them dry, and then dehydrating them using either a dehydrator or an oven.

Why should I dehydrate canned vegetables instead of fresh?

Dehydrating canned vegetables offers several advantages, including extended shelf life, space-saving storage, and the ability to have vegetables on hand when fresh vegetables are not available. Dehydrated vegetables are also versatile and can be used in a variety of dishes.

Should I rinse canned vegetables before dehydrating?

Rinsing canned vegetables is optional and not recommended as it may affect the seasoning or flavor of the vegetables. It is generally best to drain canned vegetables well and pat them dry before dehydrating.

What is the best temperature and time to dehydrate canned vegetables?

If using a dehydrator, set the temperature to about 125 degrees Fahrenheit and leave the vegetables for about 6-8 hours. If using an oven, preheat to the lowest temperature, preferably 200 degrees Fahrenheit or lower, and dry the vegetables for up to 8 hours, checking periodically.

How should I store canned dehydrated vegetables?

To store dehydrated canned vegetables, it’s best to vacuum-seal them for optimal freshness. Alternatively, you can store them in airtight containers to keep them dry and protected from moisture. Proper storage will help maintain the quality and flavor of your vegetables for an extended period of time.

How can I use dehydrated canned vegetables in cooking?

Dehydrated canned vegetables can be rehydrated by soaking them in water or by adding them directly to soups, stews, or other dishes with enough liquid to absorb them. They can also be enjoyed as vegetable chips or used as a crunchy topping for salads, casseroles, and more. Experiment with different recipes and methods to discover the many ways you can incorporate dehydrated vegetables into your cooking.