What is Blanching?

Question:

What is Blanching?

Answer:

Blanching in culinary terms is a quick partial cooking process where you quickly cook and then quickly cool the food. This process has many benefits which are explained below.

Blanching

Food Waste

Reasons for Blanching

Blanching is helpful for many reasons:

1) Blanching is used for removing skins or loosening peels from fruits like tomatoes and peaches or nuts like almonds.

2) It is also used to eliminate harmful pesticides from the outer layer of fruits and vegetables, cooking will remove the pesticides from the peel before they leak into the meat.

3) It is used to maintain the bright color and crispness of vegetables like green beans and broccoli. This cooking process especially brings out and preserves the color green.

4) When you blanch some plants, like kale and collard greens, it tones down the bitter taste.

5) An efficient blanch also preserves the nutrients and flavor of foods, this process seals in rather than cooking out the nutrients.

6) The process also neutralizes the bacteria in fresh foods that could otherwise cause them to go bad.

Blanching is an essential step prior to freezing most fruits and vegetables for one or all of the above reasons.

Additional Information

Detailed instructions on the blanching process are given on other pages:

For details on how to blanch green beans or other fruits and vegetables, see our how to blanch green beans? question.

For details on how to blanch almonds or other nuts, see our how to blanch almonds? FAQ question.

To find out how long other foods are good for, please visit the Dairy, Drinks, Fruits, Grains, Proteins, Vegetables and Other sections of Eat By Date or use the search function below.

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