How To Preserve Eggplant (3 ways)

In this brief guide, we are going to answer the question “How to preserve eggplant?”, and discuss the different methods of preserving eggplant and the potential implications of preserving eggplant.

How To Preserve Eggplant

You can preserve eggplants by freezing them, zip-locking them, flesh freezing them, pickling them, and also dehydrating them. These methods help to keep the eggplant fresh and thus, these can be eaten fresh as well as cooked. Coming to the methods there is a variety of them, to help preserve the eggplants in both fresh and cooked conditions.

Following are the methods to be used for the preservation of the eggplants.

How to freeze and refrigerate eggplant?

Freezing is a very common method of preserving eggplants. Freezing and refrigerating can be done for both long-term and short-term preservation. To freeze the eggplants for long-term use you have to follow the required procedure and deep freeze them. If the storage has short-term goals then keeping the fresh eggplants in the fridge works fine.     

The steps involved are as follows:

  • Long term preservation
  • Before you start working on your eggplant, preheat the oven at about 177℃.
  • While the oven is preheating, slice the eggplants into circular pieces or lengthwise as you wish. Check that the sizes of the slices of the eggplants are similar.
  • Place the slices onto a greased baking sheet on a tray, ready for getting into the oven.
  • Make sure that the slices are placed at equal distance, not touching each other.
  • Place the tray in the oven and let it bake for about 15-20 minutes.
  • Check that the slices of the eggplant are soft.
  • Once they are soft enough, remove out the tray from the oven, and rest it until it cools down.
  • Snuggle the eggplants in the ziplock bag, place a wax sheet on top of the first layer, and layer the eggplants again.
  • Freeze the eggplants for about 1 year.
  • Short term preservation
  • For regular storage direct store the fresh eggplants in the fridge and use them as needed.
  • The fresh ones can be chopped and stored in an airtight container or a plastic bag.
  • For dishes already cooked, wrap the dish with foil and keep it for 2 come to normal temperature before storing in the fridge.
  •  This can keep the eggplants safe for about 4-6 days.

How to pickle with vinegar?

To enhance the taste of the eggplants, they can be pickled before storing. This would need you to follow certain steps.

  • Peel the eggplants and chop them into pieces.
  • Wash them thoroughly and put them aside to dry.
  • Boil some water in a pot.
  • Add vinegar and salt. Mix them well, and let them boil some more.
  • Drop the chopped eggplants in the vinegar and boil it for 2-3 mins.
  • Once done, keep the eggplants soaked in the hot vinegar until it takes in the sour flavor of the vinegar.
  • Pour an equal amount of vinegar and eggplant into every jar. 
  • Make sure that the jar and the lid are sterile before pouring out the mixture.
  • Keep the jars in the refrigerator or dark for days together and use them as needed.
  •  Once the seal is opened, refrigerate the pickle.

How to dehydrate eggplant?

You can dehydrate eggplants in the oven just as you can dehydrate carrots. It needs to be set in the oven at a low temperature, or in an electric dehydrator. Be sure that they are completely dry and crispy before storing. Any moisture present in the eggplants can spoil them.

A few methods for dehydrating eggplants:

  • Cut the eggplant into slices(any shape as desired), and dehydrate until they are dry till crisp.
  • Slice eggplant into small slices, and sprinkle them with salt or your favorite spices.
  • Make flavorful eggplant chips by marinating sliced eggplant.
  • For use in soups make cubes of the eggplant before dehydration.


Microwaving the eggplants is a great alternative to dehydration using a dehydrator or sundry. It is a quick method for preserving eggplants. It takes less time and is also a very convenient method for regular use. 

The steps  involved are as follows :

  • Place the eggplants on a paper towel.
  • Sprinkle the sliced eggplant with salt.
  •  Put them in the microwave for about 10 minutes.
  • Wait until they’re dry. 
  • Store them in freezer bags in your freezer. 
  • When you’re ready to use them.
  •  Just add them to your favorite casserole or Parmesan recipe.


In this brief guide, we answered the question “How to preserve eggplant?”, and discussed the different methods of preserving eggplant and the potential implications of preserving eggplant.

If you have any questions or comments please let us know.


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Hi, I am Charlotte, I love cooking and in my previous life, I was a chef. I bring some of my experience to the recipes on this hub and answer your food questions.