French Onion Soup Instant Pot
A rich and comforting, French Onion Soup with toasty bread croutons, melted Gruyere and Swiss cheese with sweet caramelized onions cooked in a flavorful broth.
- Prep time
- 10 min
- Cook time
- 40 min
- Yield
- 6 servings
- Difficulty
- HARD
Ingredients
Quantities are shown as originally provided.
- 4 large yellow onions (thinly sliced (use mandolin for thin slices))
- 3 tablespoons butter
- 1 tablespoon oil
- 1 teaspoon kosher salt
- ¼ teaspoon sugar
- ½ cup dry white wine (Pinot Grigio, Sauvignon Blanc, or Chardonnay)
- 1 tablespoon Worcestershire sauce/ Vegan Worcestershire sauce
- 1 Indian bay leaf
- 1 tablespoon fresh thyme
- ½ teaspoon freshly ground black pepper
- 3 cups low sodium vegetable broth ( divided)
- 2 tablespoons all purpose flour
- 1 crusty baguette (thick slices)
- 1½ cups shredded gruyere cheese
- 6 to 12 slices swiss cheese
- 1 teaspoon cayenne pepper (optional)
Instructions
- 1
Turn the Instant Pot on Sauté(more) mode and heat butter and oil.
- 2
Add onions, salt, sugar and cook for 20-25 minutes stirring every 5 mins until onions turn golden brown but not burnt. Glass lid can be used during Saute process. After 20 minutes the onions should be golden brown and the bottom of the pot will start to brown.
- 3
Press Cancel. Add wine and deglaze the pot removing all browning from the pot. Cook for 2-3 minutes as the wine evaporates.
- 4
Add bay leaf, thyme, black pepper, Worcestershire sauce, and 2½ cups of broth. Secure the lid with Pressure Release to Sealing. Pressure Cook (Hi) for 6 minutes followed by Quick Release.
- 5
Open the Instant Pot, remove the bay leaf and discard. Mix all purpose flour in the remaining half cup of broth and slowly stir in the soup. Set Instant Pot to Sauté mode and cook for 5 minutes as the soup thickens.
- 6
To Serve