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Using leftover protein: delicious recipe ideas and tips on shelf life


Highlights: Leftover protein can be used in many ways, including cocktails and cakes. The egg whites are used to give drinks a creamy foam. Freeze the egg whites to extend the shelf life of the protein. The yolk can also be used for cosmetology and cooking. The protein can also keep in the refrigerator for up to ten months. For more recipes and kitchen tricks, visit's Gourmet Cookery Show. The show is open to the general public and is available on weekdays from 9am-5pm.

If you only need the yolk for cooking, you have to use the egg whites afterwards. Whether it's cocktails or recipes, we have fresh ideas for using leftovers.

With an empty bottle or a bowl: there are many ways to separate egg whites and yolks. Recipes such as crème brûlée or spaghetti carbonara only require the yolks. But what happens to the remaining protein? In cake recipes, when cooking, frying, drinking – protein can be consumed in many ways.

Which recipes are suitable for using leftover protein?

In principle, all dishes and cakes that require mere protein are eligible. But even in classic egg dishes such as scrambled eggs, the separated egg whites provide an extra load of protein. In some recipes, the application is surprising: fried potatoes become particularly crispy with egg whites. We have collected a few ideas for you on how to use leftover protein:

  • Meringue
  • Macaroons
  • Protein pancakes
  • Icing

Another application: clear cloudy soups or stocks. The egg whites set due to the heat and stirring. The turbid substances thus rise to the surface.

Protein leftovers: Mix drinks with pure protein

Ideal for bridging the cooking or baking time: various drinks are given a nice head of foam by egg white. Protein is used in particular in so-called sour drinks:

  • Amaretto Sour
  • Continental Sour
  • New York Sour
  • Tequila Sour
  • Brandy Sour
  • Irish Sour


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Different name, similar recipe: the Fizz cocktails also rely on egg whites. This gives them a creamy foam. Examples of this type of drink are:

  • Aperol Fizz
  • Gin Fizz
  • New York Fizz

Just give it a try: Cheers!

Use leftover protein: How to use everything from the egg. © Westend61/Imago

How long does protein last – can it be frozen?

Sometimes there is no acute use for leftover protein. Then it goes into the refrigerator. There, the protein will keep for about three days. Need more time? Freeze the egg whites. To do this, just put it in a freezer bag. This extends the shelf life to ten months and gives you more time to use protein residues. Do you need to use egg yolk instead? Leftover yolk can be used in the kitchen and cosmetology.

Source: merkur

All life articles on 2023-05-18

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