Instant Pot French Onion Soup

User Reviews

5

22 reviews
Excellent
  • Prep Time

    15 mins

  • Cook Time

    15 mins

  • Additional Time

    15 mins

  • Total Time

    45 mins

  • Servings

    6

  • Calories

    300 kcal

  • Course

    Appetizer, Soup

  • Cuisine

    French

Instant Pot French Onion Soup

Instant Pot French Onion Soup features slow-caramelized sweet onions cooked under pressure with beef stock, herbs, and dry white wine, resulting in a rich, deeply flavored broth. Topped with toasted baguette slices and melted Gruyere cheese, it melds savory, sweet, and creamy textures in a satisfying soup meal.

Description

This recipe begins by slowly caramelizing sweet yellow onions in butter and sugar until golden and flavorful. The onions are then deglazed with dry white wine, which cooks down, adding acidity and depth. Beef stock, Worcestershire sauce, garlic, bay leaves, thyme, salt, and pepper are added before pressure cooking in the Instant Pot, intensifying and marrying the flavors rapidly.

The soup is ladled into oven-safe bowls, each topped with stale baguette slices and a generous layer of shredded Gruyere cheese. The bowls are then baked until the cheese melts and forms a golden, slightly crispy topping. The resulting soup has a deep savoriness from the caramelized onions and meat stock, balanced by the aromatic herbs and cheese's creamy richness.

French Onion Soup makes a warming appetizer or a main course paired with a simple green salad. The stale baguette ensures the bread keeps some structure and soaks up the broth perfectly. Using fresh Gruyere and a dry white wine helps keep authentic flavor balance.

Using yellow sweet onions yields a mellow sweetness. The recipe advises allowing the stovetop caramelization to take time, as the onions shrink significantly. The soup bowls should be placed on a baking sheet for easier handling in and out of the oven. Baguette can be prepared day before by leaving it out to stale for better texture in the soup.

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Ingredients

Servings
  • 3 tbsp butter
  • 3 sweet onion sliced
  • 1 tbsp granulated sugar
  • ¼ cup white wine dry
  • 4 cups beef stock
  • 2 tsp Worcestershire sauce
  • 1 ½ tsp garlic chopped
  • 2 bay leaf
  • 4 thyme sprigs
  • ¼ tsp salt
  • ¼ tsp black pepper
  • baguette cut into slices, stale
  • 8 oz gruyere cheese block, shredded

Instructions

  1. Turn your Instant Pot to the SAUTE function. Add 3 tbsp butter to the pot and allow it to melt. Then, add the 3 sliced onions.
  2. Stir the onions in the pot for about 10-15 minutes until they start to really whither and brown. You can add extra butter if you think it’s necessary. Once the onions have started to brown, add 1 tbsp granulated sugar and stir for another 30-35 minutes until the onions caramelize.
  3. Once the onions have caramelized, add ¼ cup of dry white wine and continue sauteeing until the wine cooks down.
  4. Once the wine is gone from the pot, add 4 cups beef stock, 2 tsp worcestershire sauce, 1 ½ tsp chopped garlic, 2 bay leaves, 4 sprigs thyme, ¼ tsp salt (or more to taste), ¼ tsp pepper.
  5. Turn the pot to HIGH and pressure cook for 15 minutes. Allow for a 10 minute Natural Pressure Release, then perform a Quick Release.
  6. Spoon the soup into 5-6 oven-safe bowls. Place enough bread slices to cover the top of the soup, then sprinkle gruyere cheese on top.
  7. Place the soup crocks on a cookie sheet and turn the oven to a High Broil. Place in the oven under the broiler and broil until the cheese starts to bubble and toast.
  8. Enjoy!

Notes

  • Use sweet yellow onions sliced evenly for caramelization; avoid red onions to maintain authentic flavor.
  • Use a dry white wine to add depth; cook it down fully before pressure cooking.
  • Grate Gruyere on a coarse side to melt well; stale baguette slices soak in broth without disintegrating.
  • Let the onions caramelize thoroughly as they shrink considerably; patience is key.
  • Place oven-safe bowls on a baking sheet to prevent spills when transferring to and from the oven.
  • Prepare baguette a day ahead by leaving it in an open bag at room temperature to become stale for ideal topping texture.

Nutrition Information

Show Details
Serving 1serving Calories 300kcal (15%) Carbohydrates 18g (6%) Protein 16g (32%) Fat 18g (28%) Saturated Fat 11g (55%) Polyunsaturated Fat 1g (6%) Monounsaturated Fat 5g (25%) Trans Fat 0.2g (10%) Cholesterol 57mg (19%) Sodium 769mg (32%) Potassium 557mg (12%) Fiber 2g (8%) Sugar 12g (24%) Vitamin A 571IU (11%) Vitamin C 10mg (11%) Calcium 437mg (44%) Iron 1mg (6%)

Nutrition Facts

Serving: 6Serving

Amount Per Serving

Calories 300 kcal

% Daily Value*

Serving 1serving
Calories 300kcal 15%
Carbohydrates 18g 6%
Protein 16g 32%
Fat 18g 28%
Saturated Fat 11g 55%
Polyunsaturated Fat 1g 6%
Monounsaturated Fat 5g 25%
Trans Fat 0.2g 10%
Cholesterol 57mg 19%
Sodium 769mg 32%
Potassium 557mg 12%
Fiber 2g 8%
Sugar 12g 24%
Vitamin A 571IU 11%
Vitamin C 10mg 11%
Calcium 437mg 44%
Iron 1mg 6%

* Percent Daily Values are based on a 2,000 calorie diet.

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5

22 reviews
Excellent

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