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Easy Instant Pot French Onion Soup

  • Author: Sprinkles & Sea Salt
  • Total Time: 25 minutes
  • Yield: 4 crocks 1x


This Easy Instant Pot French Onion Soup gets you from a pile of raw onions to a bubbling bowl of delicious onion soup in just 25 minutes. It’s perfect for a weeknight meal or as a first course at a dinner party! 



3 tbsp unsalted butter

6 cups yellow onion, sliced and chopped small

2 tsp sea salt, divided

1 shallot, chopped small

2 cloves garlic, crushed

2 tbsp dark brown sugar

1 tbsp white all-purpose flour

1 whole bay leaf

1 tsp fresh thyme, divided

4 cups low sodium beef broth

1/2 cup dry cooking sherry, divided

1 stale french baguette

1 cup grated Gruyére cheese

fresh thyme for garnish


Turn your Instant Pot on “Sauté” mode high

Add butter to the pot, allow to melt

Add onions and 1 tsp sea salt

Cook, tossing with a wooden spoon until onions start to become translucent, 3-4 minutes

Add the shallot and garlic, sauté 1-2 minutes

Add the brown sugar, sauté 1-2 minutes

Add the flour, mix until fully incorporated

Add the bay leaf and 1 tsp thyme, stir

Add the beef broth

Top it off with 1/4 cup sherry, stir

Hit “Cancel” on the Instant Pot and switch on “Pressure Cook”

Set the timer to 5 minutes on high pressure

Lock the top into place

Switch the pressure nozzle to “Sealing”

When Instant Pot beeps, allow the pressure to slow release for 5 minutes and then switch it to “venting” to release the remaining pressure

When Instant Pot indicates it is safe to do so, open lid

Ladle soup into 4 large soup crocks

Top with 3 small slices of stale baguette and sprinkle with 1/4 cup Gruyére cheese

Set your oven rack 6 inches from broiler, switch oven on to broil

Broil the soup for about 2 minutes to melt the cheese and toast the bread, check it often to ensure it does not burn

Top each bowl with a splash of the remaining sherry and a sprinkles of the remaining fresh thyme

Serve immediately

  • Prep Time: 10 minutes
  • Cook Time: 15 minutes
  • Category: Soup
  • Method: Instant Pot
  • Cuisine: French

Keywords: #easyonionsoup, #instantpotrecipes