French Onion Soup Au Gratin


2 tablespoons butter

2 large white onions, peeled, cut in 1/4-inch slices

1 tablespoon tomato paste

1 tablespoon soy sauce

1 tablespoon Worcestershire sauce

1 box (32 ounces) beef stock

1 teaspoon kosher salt

1 teaspoon ground black pepper

4 cups crusty French bread, cut in 1-inch cubes

2 cups shredded Mozzarella (or Gruyère) cheese



1  Select SEAR/SAUTÉ and set to MD:HI. Allow to preheat for 5 minutes.

2  Add butter and onions to pot and cook, stirring occasionally, for 10 minutes.

3  Add tomato paste, soy sauce, and Worcestershire sauce to pot. Cook for 5 minutes. Add beef stock, salt, and pepper and cook for an additional 5 minutes. Assemble pressure lid, making sure the pressure release valve is in the SEAL position.

4  Select PRESSURE and set to HIGH. Set time to 15 minutes. Select START/STOP to begin.

5  When pressure cooking is complete, quick release the pressure by moving the pressure release valve to the VENT position. Carefully remove lid when unit has finished releasing pressure.

6  Arrange the French bread cubes over the surface of the soup, then place the cheese evenly on top of the bread.

7  Close crisping lid. Select BROIL and set time to 8 minutes. Select START/STOP to begin.

8  When cooking is complete, soup is ready to serve.

Ninja Kitchen

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