Ingredients
Scale
- 4 large yellow onions, thinly sliced
- 2 tablespoons olive oil
- 4 cloves garlic, minced
- 6 cups beef broth
- 1 teaspoon thyme
- Salt and pepper to taste
- 1 baguette, sliced
- 2 cups Gruyère cheese, grated
Instructions
- Heat olive oil in a large pot over medium heat. Add sliced onions and cook, stirring occasionally, until deeply caramelized, about 30 minutes.
- Add garlic and cook for another minute.
- Pour in beef broth, add thyme, salt, and pepper. Simmer for 20 minutes.
- Preheat broiler. Place baguette slices on a baking sheet and toast until golden.
- Ladle soup into oven-safe bowls, top with toasted baguette slices, and sprinkle with Gruyère cheese.
- Broil until cheese bubbles and is golden, about 3-5 minutes.
- Serve hot, garnished with fresh thyme if desired.
Notes
- Use sweet onions like Vidalia for a milder flavor.
- For vegetarian version, substitute beef broth with vegetable broth.
- Broil cheese-topped bread separately if oven-safe bowls are unavailable.
- Prep Time: 10 minutes
- Cook Time: 50 minutes
- Method: Stovetop, broiling
- Cuisine: French
- Diet: Vegetarian possible
Nutrition
- Serving Size: 1 bowl
- Calories: 430 Kcal
- Sugar: 8g
- Sodium: 950mg
- Fat: 18g
- Saturated Fat: 9g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 55g
- Fiber: 4g
- Protein: 20g
- Cholesterol: 45mg
