What to watch out for when freezing potato soup
There are several points that are very important to keep in mind when trying to freeze your potato soup. If you do it wrong, it quickly happens that both the consistency and the taste of the soup leave a lot to be desired after defrosting.
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Freeze mashed potato soup only
Only freeze creamy (pureed) potato soup. Soups with potato pieces should not be put in the freezer. Otherwise you will have glassy to mushy potatoes afterwards, which taste unusually sweet.
A brief explanation of the sudden appearance of sweetness: In the tuber of a potato, starch is constantly being converted into sugar. The tuber needs the latter for its metabolism. If the temperatures drop below four degrees Celsius, the metabolism slows down - but sugar is still provided. In this cooler situation, however, the tuber no longer needs this to the full extent. As a result, the sugar is deposited in the tuber and the potato takes on a sweet taste.
Reason for the muddy: The water in the cells of the potatoes freezes, expands and destroys the cell membrane. This causes the potatoes to lose their crispness.
Add certain ingredients afterwards
Some ingredients that you want to add to your potato soup are best added later (i.e. after freezing and thawing). These include, for example, the classic sausages or smoked salmon. You should not mix herbs, cream or milk into the potato soup before freezing, but after thawing.
Note: Some hobby cooks create their potato soup with cream or milk and freeze it this way. We advise against that. It has been shown time and again that soups with cream or milk suffer in the freezer. There is an understandable reason for this: after the frozen potato soup has been thawed and heated, the fatty liquids separate from the rest and flocculate - not very appetizing. In short: do not add cream or milk to the potato soup until it has been defrosted and heated.
Freezing and thawing potato soup - brief step-by-step instructions
- Fill your prepared potato soup into a sufficiently large and sealable container that is suitable for the freezer. A container should not contain more than a liter of potato soup. Otherwise, thawing is a drawn out story.
- Seal the containers and place them in the freezer.
- In due time, remove the containers with the potato soup from the freezer.
- Let the soup thaw for a few hours.
- Pour off the water that floats on top (otherwise the soup will be too thin).
- Pour the potato soup into a saucepan and heat it. During the heating, you should keep stirring in order to obtain a homogeneous mass.
- Add the rest of the ingredients (e.g. cream, milk, herbs, sausages, etc.).
The taste and shelf life of a frozen potato soup
When it comes to taste, opinions differ. Some find no difference between a fresh potato soup and one that has been thawed after freezing; Others, however, are of the opinion that the latter tastes less aromatic. In the end there is only one thing left for you; Try it out and see for yourself whether you like your thawed potato soup.
The shelf life of the frozen potato soup is around three months. However, it is better to eat the soup within four to six weeks.
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