mediumsoupvegetarianCC0 1.0 Universal
Soupe à l'Oignon Gratinée – Classic French Onion Soup
The beloved Parisian bistro staple: deeply caramelized sweet onions simmered in savory beef broth, crowned with toasted baguette slices and a thick blanket of bubbling Gruyère cheese.
Prep
15 min
Cook
50 min
Total
65 min
Ingredients
4servings
- Sweet yellow onions800 g
- Unsalted butter40 g
- Olive oil15 ml
- Rich beef or vegetable broth900 ml
- Fresh thyme sprigs3 g
- French baguette slices8 piece
- Gruyère or Comté cheese150 g
- Garlic clove1 clove
- Salt
- Freshly ground black pepper
Preparation Steps
1
Melt butter and olive oil in a heavy pot. Add onions and a pinch of salt. Cook over medium-low heat for 30-35 minutes, stirring periodically, until deeply caramelized and rich golden brown.
35 min timer
2
Pour in hot broth and add thyme sprigs, salt, and pepper. Simmer gently for 15 minutes to allow flavors to harmonize.
15 min timer
3
Toast baguette slices in the oven until dry and crisp, then lightly rub with the cut garlic clove.
5 min timer
4
Ladle soup into oven-safe bowls, float toasted baguette slices on top, and bury under grated Gruyère cheese. Broil at 210°C (410°F) for 6-8 minutes until cheese is bubbly and golden browned.
8 min timer
Cook this recipe offline in your kitchen
With full-screen step mode, hands-free voice guide, and integrated step timers.
Provenance & Public Domain Audit
Source: Classical French Culinary Heritage / USDA Public Domain Collection (United States Department of Agriculture (USDA))
Legal status: Public Domain (17 U.S.C. § 105) • 17 U.S.C. § 105
License: Creative Commons CC0 1.0 Universal
