30-minute Mushroom Leek Soup Recipe (Instant Pot) (2024)

FAQs

How do you thicken mushroom soup? ›

Adding extra cream can thicken a creamy or blended soup like this wild mushroom-soup, but stirring in a spoonful of thick yogurt can be more effective. Be careful not to boil the soup once you've added the cream or yogurt or it may split.

Although leeks are known for its powerful taste, your potato and leek soup can occasionally come out bland. The reasons are usually two: you didn't season your soup at all, worrying it might be too salty because of the leeks; or you added to much water for the stock.

Add Flour Or Cornstarch

You can thicken soup by adding flour, cornstarch, or another starchy substitute. For the best results, never add flour or cornstarch directly to your soup. If you do, it will clump up on top. Instead, ladle a small amount of broth into a separate bowl and let it cool.

The most classic and surefire way to thicken a broth-based soup is with a cornstarch slurry. Whisk together equal parts cornstarch (or arrowroot) and water or broth, then whisk it into the pot of soup. A good ratio to get to a pleasant thickness without your soup tasting goopy or heavy is one tablespoon.

It's important to note that cornstarch has twice the thickening power of flour. If you need to substitute cornstarch to thicken liquid in a recipe that calls for ¼ cup (four tablespoons) flour, you only need two tablespoons cornstarch.

There are a few ways to thicken leek and potato soup, you can use a mixture of cornstarch and cold water or use a slice of bread.

Add acidic ingredients.

Foods that have a great deal of acidity, like lemon juice, vinegar, white wine, and tomato puree, can help liven up the flavor of bland-tasting bone and other broths. "The acidity of these ingredients works to complement and enhance the broth's flavors, not mask it.

Bitterness is best counteracted by salt, so give it a good seasoning. You might also try adding a little mild vinegar like white wine or cider vinegar.

Honestly, if you just stir in a little instant mash, like Smash, your soup will thicken up in no time at all. Now, you may end up needing more than a spoonful, but it's best to add a little at a time, because remember, you can always add more of it, but you can't take it away.

When to Keep the Lid Off. Cooking a soup, stew, or sauce uncovered allows water to evaporate, so if your goal is to reduce a sauce or thicken a soup, skip the lid. The longer you cook your dish, the more water that will evaporate and the thicker the liquid becomes—that means the flavors become more concentrated, too.

What is the best thickening agent for potato soup? ›

Cornstarch is a very effective thickener, and a little bit can go a long way. Add cornstarch to a small amount of cold water or other liquid (wine or stock) and whisk into a thick slurry.

Add the leeks to the pot, lowering the heat if necessary and saute for 10-15 minutes , or until soft and translucent. Be careful not to burn the leeks, as they will impart a bitter taste to the soup. The excess liquid from cleaning the leeks should help prevent any burning.

Why is my potato leek soup gummy? Potatoes should be diced in similar size so they cook evenly, but don't drive yourself crazy getting them teeny-tiny. If they're too small, you risk the potatoes releasing too much starch, which can make the soup gummy when pureed.

A little flour thickens up the soup base to a creamy consistency, even without heavy cream.

Knead equal parts of room temperature butter and flour together. Add slowly to your boiling sauce, while whisking, until the desired thickness is reached. Melt butter in a saucepan. Add an equal volume of flour, whisking it in to prevent lumps.

A. Watery cream soups can come from a couple of different reasons. One of them is that the thickener that was utilized (be it a fat and flour roux or a liquid and flour or corn starch slurry) was inadequate. By inadequate I mean that there was not enough starch to hold the liquids in the desired thickened suspension.

In a small bowl, whisk together cornstarch and 1/4 cup water. Stir in mixture to the soup until slightly thickened, about 1-2 minutes; season with salt and pepper, to taste. If the soup is too thin, add more cornstarch as needed until desired consistency is reached. Serve immediately.