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The need to blanch potatoes depends on what you are doing with your potatoes. Blanching not only partially cooks the the potatoes, but it also breaks down enzymes within the potatoes that is responsible for their turning black upon standing in the air (oxygen exposure). When roasting or frying potatoes, blanching them first partially cooks them through. When they are then cooked in oil or other fat, the cooking time is reduced, the potatoes are cooked through more evenly, and you minimize the risk of burning the outsides of the potatoes trying to cook them all the way through. Peeled potatoes exposed to oxygen in the air quickly turn brown and eventually black. Blanching potatoes that have had their skins removed breaks down the enzymes responsible for this unsightly color change. This allows potatoes to be stored, whether briefly on the counter top or long term in the freezer.

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Q: Why do you need to blanch potatoes?
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How to blanch potatoes for cooking?

To blanch potatoes for cooking, first peel and cut them into evenly sized pieces. Then, place the potatoes in a pot of boiling water for about 3-5 minutes. Remove the potatoes and immediately transfer them to a bowl of ice water to stop the cooking process. Drain the potatoes and they are ready to be cooked further in your desired recipe.


Do you cut the fries first and then blanch?

Yes. It makes cutting easier. It takes less time to blanch. It allows for finding "bad" spots on or in potatoes.


How do you blanch potatoes before cooking them?

To blanch potatoes before cooking them, first peel and cut the potatoes into evenly sized pieces. Then, place the potatoes in a pot of boiling water for about 3-5 minutes until they are slightly tender. Remove the potatoes from the boiling water and immediately transfer them to a bowl of ice water to stop the cooking process. Drain the potatoes and they are now ready to be cooked using your preferred method.


How to blanch potatoes for freezing?

To blanch potatoes for freezing, first peel and cut them into desired sizes. Then, boil them in water for 3-5 minutes until slightly tender. Next, quickly cool them in ice water to stop the cooking process. Finally, drain and dry the potatoes before freezing them in airtight containers or bags.


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