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Classic French Onion Soup

Cheesy French onion soup in a white ramakin
Food Network
Prep Time
35 min
Cook Time
2h
Yields
4 servings

You don’t need to catch a flight to Paris to enjoy an authentic classic French onion soup. Made with caramelized onions and rich beef broth, the best part of this dish is that it’s essentially a bubbling duvet of Gruyère on a giant crouton.

Related: Sunny’s Insta-Famous Cheesy Bread Bowl With Hot Roasted Tomato and Peppers Soup 

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ingredients

4
Tbsp unsalted butter
6
yellow onions (approximately 1 pound), sliced ¼-inch thick
1
tsp kosher salt, plus more as needed
1
tsp sugar
½
cup dry sherry
8
cups beef broth
6
fresh thyme sprigs, tied with butcher's twine
1
bay leaf
1
baguette, sliced on the bias into ½-inch slices
Olive oil, for brushing
8
slices Gruyère
Freshly ground black pepper
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directions

Step 1

Heat a large Dutch oven over medium-high heat. Add the butter and onions and stir until the butter is melted. Add the salt and sugar, then cover the Dutch oven with a lid. Cook, stirring occasionally, until the onions are translucent and liquids have been released about 20 minutes. Uncover, reduce the heat to medium and continue to cook until the onions are uniformly caramelized, 40 to 45 minutes.

(Be sure to deglaze with about ¼ cup water and scrape with a wooden spoon when the onions get very dark and start sticking to the bottom of the pan. Do this at least twice.)

Step 2

Preheat the oven to 400°F.

Step 3

Deglaze the pan with the sherry while scraping the fond off the bottom of the pan. Let simmer for two minutes, then add the broth, thyme and bay leaf. Bring to a light simmer, uncovered, for about 30 minutes. Remove the thyme sprigs and bay leaves. Season to taste with salt and pepper.

Step 4

Meanwhile, brush the baguettes with olive oil and place on a sheet pan. Bake until golden and crispy, about 7 minutes. Let cool.

Step 5

Preheat the oven to high broil.

Step 6

Spoon the soup, scooping from the bottom first, to ensure you get ample amounts of that wonderful onion, into ovenproof crocks or bowls. Fill to the brim and top with 2 croutons and 2 slices Gruyère. Broil until golden and bubbly for about two to four minutes. Serve!

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