French Onion Soup

French Onion Soup

A classic French onion soup with deeply caramelized onions in rich beef broth, topped with toasted baguette and melted gruyère cheese.

75Min
4Servings
485Cal
MediumLevel
#comfort food#winter#classic

Equipment

Large pot
Stove
Spatula
Ladle
Toaster
Box grater
Oven-safe bowls
Oven

Ingredients

Main Ingredients

yellow onions (sliced)

6 piece

unsalted butter

60 g

olive oil

15 ml

garlic cloves (minced)

3 piece

all-purpose flour

30 g

beef broth (warm)

1200 ml

dry white wine

120 ml

fresh thyme sprigs

4 piece

bay leaf

1 piece

salt

5 g

black pepper

2 g

baguette slices (toasted)

8 piece

gruyère cheese (grated)

200 g

Instructions

1

Caramelize the onions

Melt butter with olive oil in a large pot over medium heat, add sliced onions and cook slowly, stirring occasionally until deeply golden and caramelized.

40 min160°Ctimer 40 min
Onions should turn a rich golden-brown color; do not rush this step.
2

Add garlic and flour

Add minced garlic and cook 1 minute, then sprinkle flour over onions and stir for 2 minutes to cook out the raw flour taste.

3 min160°C
3

Deglaze and simmer

Pour in white wine and stir, scraping the bottom. Add warm beef broth, thyme, bay leaf, salt and pepper. Bring to a gentle boil then simmer uncovered for 20 minutes.

22 min100°Ctimer 20 min
Adjust salt after tasting; broth can vary in saltiness.
4

Prepare bread and cheese

While soup simmers, toast baguette slices until golden. Grate gruyère cheese.

5 min
5

Broil and serve

Ladle hot soup into oven-safe bowls, top each with toasted bread and generous cheese. Broil 2–3 minutes until cheese is bubbly and golden. Serve immediately.

5 min230°Ctimer 3 min
Watch closely to avoid burning the cheese.

Storage

Fridge: 3 days
Freezer: 60 days
Reheat: Stovetop over medium heat or microwave 2-3 minutes

Store soup base and bread separately; assemble and broil just before serving. Reheat soup gently to avoid separating.

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French Onion Soup | Chopa | Chopa Chef