French Onion Soup
Golden caramelized onions simmered into a rich, beefy broth, topped with toasted baguette and melted Gruyère.
Total: 75 minPrep: 15 minCook: 60 min4 servings
Ingredients
Servings:
- 2 tablespoons butter
- 2 tablespoons olive oil
- 4 large onions, thinly sliced
- 1 teaspoon sugar
- 4 cups beef broth
- 1 cup water
- 2 cloves garlic, minced
- 1/2 teaspoon dried thyme
- Salt and pepper to taste
- 2 cups grated Gruyère cheese
- 4 slices baguette, toasted
Steps
- 1 Heat butter and olive oil in a large pot over medium heat.
- 2 Add onions and sugar, cook until caramelized, about 20-25 minutes.
- 3 Stir in garlic and thyme, cook for another minute.
- 4 Pour in beef broth and water, bring to a simmer, and cook for 30 minutes.
- 5 Preheat broiler.
- 6 Ladle soup into oven-safe bowls, top with toasted baguette slices and sprinkle Gruyère over the top.
- 7 Broil until cheese is bubbly and golden, about 3-5 minutes.
- 8 Carefully remove from oven and let cool slightly before serving.
Nutrition
Calories:
350 kcal
Tips
- For extra flavor, use a mix of beef and chicken broth.
- Caramelizing onions low and slow is key to their sweet flavor.
- Toast the baguette slices with a bit of olive oil for extra crispiness.
Storage
Store cooled soup in an airtight container in the fridge for up to 3 days. Reheat gently on the stovetop. Toast stored baguette slices before topping with cheese and broiling.
Serving Suggestions
- Pair with a crisp green salad for a balanced meal.
- Serve with a slice of crusty bread on the side.
FAQ
Can I use a different cheese?
Yes, Swiss or mozzarella can be used as alternatives to Gruyère.
Is this soup vegetarian?
Not with beef broth. Substitute with a robust vegetable broth for a vegetarian option.