Description
A rich and savory soup made with caramelized onions, beef broth, and melted Gruyère cheese on toasted bread.
Ingredients
Scale
- 4 large yellow onions, thinly sliced
- 3 tablespoons unsalted butter
- 6 cups beef broth
- 1 teaspoon dried thyme
- 1 bay leaf
- Salt and pepper to taste
- 1 French baguette, sliced into 1-inch thick pieces
- 2 cups shredded Gruyère cheese
Instructions
- Melt butter in a large pot over medium heat.
- Add sliced onions. Cook, stirring often, until deeply caramelized, about 30 minutes.
- Pour in beef broth. Add thyme, bay leaf, salt, and pepper. Bring to a simmer.
- Cook for 15 minutes. Remove bay leaf.
- Preheat broiler. Place baguette slices on a baking sheet. Toast under broiler until golden, about 1 minute per side.
- Ladle soup into oven-safe bowls. Top each with a toasted baguette slice and generous amount of Gruyère.
- Broil until cheese is bubbly and golden, about 2 minutes. Serve hot.
Notes
- Use vegetable broth for a vegetarian version.
- Caramelizing onions slowly develops deep flavor. Do not rush.
- You can substitute Gruyère with Swiss or mozzarella.
- Prep Time: 10 minutes
- Cook Time: 50 minutes
- Category: Soup
- Method: Stovetop and broiler
- Cuisine: French
Nutrition
- Serving Size: 1 bowl (about 1 1/2 cups)
- Calories: 320
- Sugar: 8 g
- Sodium: 680 mg
- Fat: 16 g
- Saturated Fat: 10 g
- Unsaturated Fat: 5 g
- Trans Fat: 0 g
- Carbohydrates: 28 g
- Fiber: 2 g
- Protein: 16 g
- Cholesterol: 45 mg