Ingredients
Directions 7 steps | 45 Minutes
Set the Instant Pot to sauté. Add the vegetable oil and onions to the pot.
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Sauté the onions for 15 minutes, or until they start to lightly brown and become translucent. Turn off the sauté setting on the Instant Pot.
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Stir in the salt, thyme, red wine and beef broth to the pot. Secure the lid and double-check that the vent is closed. Set to manual high pressure and set the timer for 10 minutes.
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When the timer goes off, allow the pressure to release naturally for 10-12 minutes before quick-releasing the pressure. Be careful not to stand over the cooker while the pressure is being released as the steam is very hot.
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Stir in the sherry vinegar to the soup and season with salt and pepper, to taste.
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Make the cheese crouton. Turn the oven to broil. Place the slices of bread on a baking sheet. Top each slice of bread with a slice of Swiss cheese. Broil the cheese crouton for 4-5 minutes, watching carefully to make sure the cheese does not burn.
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Ladle the French onion soup in bowls or cups and top with a cheese crouton. Enjoy!
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Notes:
- Two fresh thyme sprigs may be used in place of dried thyme. Remember to remove the thyme sprigs before serving.
- Use low sodium beef stock or broth, if desired.
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