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Instant Pot French Onion Soup

Ultimate Instant Pot French Onion Soup

Instant Pot French Onion Soup is a restaurant quality soup, easily and comfortingly made at home. It is loaded with caramelized onions, beef broth, and topped with Gruyere cheese, for the perfect finish!

Course Main Course
Cuisine French
Keyword French Onion Soup
Prep Time 30 minutes
Cook Time 35 minutes
Total Time 1 hour 5 minutes
Servings 6 servings
Calories 326 kcal
Author Catalina Castravet


  • 5 medium size onions peeled and thinly sliced
  • 4 tablespoons unsalted butter
  • 2 tablespoons brown sugar
  • 5 cloves garlic minced
  • 1 teaspoon dry thyme optional
  • 1 tablespoon Worcestershire sauce
  • 1 cup red wine or beef broth
  • 8 cups beef broth
  • 1/4 tsp salt and pepper or to taste

For serving:

  • 6 baguette slices
  • 2 cups Gruyere cheese grated


  1. Turn on the Instant Pot and Select Sauté mode on High. Once it reads HOT, add the butter, and stirring with a wooden spoon, melt it.

  2. Add sliced onions and brown sugar to the Instant Pot. Sauté for about 15-20 minutes or until onions are golden brown and caramelized. Stir occasionally.

  3. Next, add minced garlic, thyme, red wine, Worcestershire sauce, and salt and pepper to taste. Stir for 1-2 minutes.

  4. Then, add the beef broth. Make sure you do not go over the MAX line of the inner pot.

  5. Seal pressure cooker lid and cook on high pressure for 20 minutes. Followed by a 15 minutes Natural Pressure Release.

  6. After the time is done, release remaining pressure by allowing steam to vent, then remove the lid. Stir the soup.


  1. Turn on the oven broiler.

  2. Before serving, top each serving bowl with a slice or two of French baguette and some sliced or shredded Gruyere cheese.

  3. Place the bowl on a baking sheet and transfer into the oven for few minutes to broil. Broil until cheese is melted, bubbly and has a golden brown color.

Recipe Video

Nutrition Facts
Ultimate Instant Pot French Onion Soup
Amount Per Serving
Calories 326 Calories from Fat 198
% Daily Value*
Fat 22g34%
Saturated Fat 13g81%
Cholesterol 68mg23%
Sodium 1532mg67%
Potassium 291mg8%
Carbohydrates 6g2%
Fiber 0g0%
Sugar 4g4%
Protein 17g34%
Vitamin A 650IU13%
Vitamin C 1.4mg2%
Calcium 480mg48%
Iron 1mg6%
* Percent Daily Values are based on a 2000 calorie diet.