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French Onion Soup
Tiffany
A warm and savory classic, perfect for cozy weekends. This French Onion Soup is made with deeply caramelized onions, a splash of wine, and rich beef broth, topped with crusty bread and gooey melted cheese.
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Prep Time
10
minutes
mins
Cook Time
50
minutes
mins
Total Time
1
hour
hr
Course
Lunch
Servings
6
People
Equipment
Large heavy-bottomed pot or Dutch oven
Wooden spoon
Ladle
Oven-safe soup bowls or ramekins
Baking Sheet
Ingredients
4
tablespoons
unsalted butter
2
tablespoons
olive oil
4
large yellow onions thinly sliced
1
teaspoon
salt
½
teaspoon
sugar optional
to help caramelize
3
cloves
garlic minced
½
cup
dry white wine or dry sherry
8
cups
beef broth preferably low-sodium
2
teaspoons
fresh thyme leaves or 1 teaspoon dried
1
bay leaf
Salt and black pepper to taste
1
baguette sliced into 1-inch rounds
2
cups
grated Gruyère cheese or a mix of Gruyère and Swiss
Instructions
In a large pot or Dutch oven, melt the butter with the olive oil over medium heat.
Add the sliced onions, salt, and sugar. Cook slowly, stirring often, for 30–40 minutes, until onions are golden brown and caramelized.
Stir in the minced garlic and cook for 1–2 minutes until fragrant.
Pour in the wine and deglaze the pot, scraping up any browned bits. Simmer until the wine reduces by half.
Add the beef broth, thyme, and bay leaf. Bring to a boil, then reduce to a gentle simmer. Cover loosely and cook for 30 minutes.
Remove the bay leaf. Taste and adjust salt and pepper as needed.
While the soup simmers, toast the baguette slices on a baking sheet in a 375°F oven until crisp, about 10 minutes.
Ladle soup into oven-safe bowls. Top each with a baguette slice and a generous handful of cheese.
Place the bowls on a baking sheet and broil for 2–3 minutes until cheese is bubbly and golden.
Serve hot, with extra toasted bread on the side if desired.