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dehydrated green beans on table.

How to Dehydrate Green Beans

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If you’re looking for tips on how to dehydrate green beans, this article is just what you need! Learn how to dry greens beans using a dehydrator or your oven.

  • Total Time: 8 hours
  • Yield: 4 servings 1x


Units Scale
  • 1 pound green beans
  • 1 teaspoon salt (for blanching)


  1. Wash your green beans and remove any soil from them.
  2. Trim the ends by snapping them off by hand or using a kitchen knife or scissors to snip them. Cut the beans into 1-inch pieces.
  3. Bring a large pot of water with a generous pinch of salt to a boil.
  4. Fill a large mixing bowl with ice and cold water while you wait for the water to boil.
  5. When the water begins to bubble, carefully place the beans in the water.
  6. Boil for 3 minutes. Your beans should be bright green and crunchy.
  7. Carefully pour the water and beans into a colander to drain the hot water. Then, transfer the blanched beans to the ice bath. Let them sit for at least 30 seconds to stop the cooking process.
  8. Drain the beans after they’ve cooled.
  9. Pat the beans dry to remove the excess water.
  10. DEHYDRATOR INSTRUCTIONS: Carefully lay your green beans out onto the dehydrator sheets or a baking sheet in a single layer. Place the sheets into the dehydrator for 6 to 8 hours at 125°F.
  11. OVEN INSTRUCTIONS: Preheat your oven to 125°F. Carefully lay your green beans out onto an oven sheet in a single layer. Place the sheet into the oven for 8 to 12 hours. Check the beans after 8 hours to see if they’re dry. The time it takes to dry will depend on the humidity levels.
  12. Turn the dehydrator off and allow the beans to cool completely. If you are using an oven, remove them from the oven and let them cool.
  13. Store your dried beans in a cool, dark environment in an airtight container.


  1. Conventional ovens don’t maintain consistent temperatures at low settings, so cooking times vary from oven to oven. Keep checking on your beans from around 8 hours onward.
  2. To rehydrate your green beans, soak them in hot water for an hour or cold water for two hours.
  3. If you’re adding the dehydrated green beans to a casserole, stew, or soup, add a little extra water or stock to the recipe.


  • Serving Size:
  • Calories: 35
  • Sugar: 3.7 g
  • Sodium: 6.8 mg
  • Fat: 0.2 g
  • Saturated Fat: 0.1 g
  • Carbohydrates: 7.9 g
  • Fiber: 3.1 g
  • Protein: 2.1 g
  • Cholesterol: 0 mg