Instant Pot French Onion Soup! French onion soup comfort food at its finest. Rich flavored broth with caramelized onions, topped with crusty, cheese-covered bread is sure to warm anyone on a cold winter’s night. Make this delicious soup in half the time by using your Instant Pot!
French onion soup is a bistro classic for a reason—the combination of deeply savory, onion-packed broth and a cheesy browned crouton makes for a satisfying, comforting dish.
As the crouton sits in the broth, it becomes soft enough to break apart with a spoon, giving you cheesy, bready goodness in every bite.
This pressure cooker version comes together in just over an hour ” if you don’t have an Instant Pot, you can make on Stovetop”.
What’s great is, it will stay hot on your pressure cooker’s warming setting for hours, so you can prepare the soup any time of day that’s convenient, then add the cheesy toasts just before serving.
MAKE FRENCH ONION SOUP IN A PRESSURE COOKER
Using your pressure cooker’s high “sauté” setting will speed up caramelizing onions for the soup.
I like to start by adding salt and sugar to the onions, then leave a lid on the pot for about 10 minutes to really kickstart the sweating process. Instant Pot makes a non-pressure cooking lid, or you can use any 9-inch tempered glass or metal lid from your cabinet.
Then, finish caramelizing the onions with the lid off for another 20 minutes or so, stirring occasionally, until golden brown.
Finally, you’ll add the rest of your ingredients and cook the soup under pressure for five minutes. The pressure cooking softens the onions even further and helps to bring all of the flavors together.
At this point, the soup itself is done—all you need to do is ladle it into bowls, add a slice of bread to each bowl, and melt some cheese on top of it in the oven.
THE BEST ONIONS FOR FRENCH ONION SOUP
Yellow or red ones work equally well. Choose regular onions over the “sweet” varieties, since they’ll tend to have more flavor.
THE BEST BREAD FOR FRENCH ONION SOUP
A French baguette is traditional, but you can try sourdough if you like a tangier flavor. Just make sure the bread is nice and crusty so it can hold up well to being dunked in the soup.
THE BEST CHEESE FOR FRENCH ONION SOUP
Let’s be real—just about any melty cheese is going to be delicious when broiled on top of a crusty slice of bread.
The traditional cheese is Gruyere. Its nutty, slightly sweet taste complements the beefy, oniony broth. If you can’t find Gruyere, use Jarlsberg, Emmental, or any Swiss cheese for a similar substitute. A sharp cheddar would be tasty, too.
WHAT TO SERVE WITH FRENCH ONION SOUP
French onion soup goes great as a first course for a roast chicken dinner. It’s also great as a light lunch or afternoon snack—either on its own or with some lightly dressed greens on the side.
STORING AND FREEZING FRENCH ONION SOUP
This soup will keep for about five days in the fridge. To reheat, warm the soup on the stovetop or in the microwave.
If you’d like to freeze your French onion soup, freeze the soup separately from the bread and cheese.
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