Description
A rich, caramelized onion soup topped with toasted baguette and melted Gruyère cheese. Classic French comfort food made right at home.
Ingredients
4 tablespoons butter (unsalted or salted)
1 tablespoon olive oil or vegetable oil
3 pounds onions, peeled, halved and thinly sliced
¾ teaspoon Kosher or sea salt
¼ teaspoon freshly ground black pepper
¾ cup dry white wine
1 tablespoon dry sherry
2 tablespoons all-purpose flour
8 cups beef broth or stock
1 bay leaf
2 fresh thyme sprigs or ½ teaspoon dried thyme
½ teaspoon Worcestershire sauce
1 small baguette, sliced ½-inch thick
6 ounces Gruyère cheese, grated
Optional: Garnish with fresh thyme leaves or chopped chives.
Instructions
1. In a large pot, melt butter and oil over medium heat. Add onions, salt, and pepper. Stir.
2. Cook uncovered until caramelized and golden brown, 45–55 minutes, stirring occasionally.
3. Deglaze with wine and sherry, cook until almost evaporated, 5 minutes.
4. Add flour, cook for 1 minute while stirring.
5. Add broth, bay leaf, thyme, and Worcestershire sauce. Simmer for 20 minutes.
6. Toast bread slices in oven at 400ºF until crisp.
7. Divide hot soup into bowls, top with bread and cheese.
8. Broil until cheese is bubbly and golden brown.
Notes
Use yellow or sweet onions for best results.
Substitute vegetable broth for vegetarian version.
Add sugar if soup tastes slightly bitter.
Serve hot with extra cheese toasts.
- Prep Time: 20 minutes
- Cook Time: 1 hour 30 minutes
- Category: Soup
- Method: Stovetop and Broil
- Cuisine: French
Nutrition
- Serving Size: 1 bowl
- Calories: 420
- Sugar: 8g
- Sodium: 980mg
- Fat: 22g
- Saturated Fat: 13g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 38g
- Fiber: 3g
- Protein: 17g
- Cholesterol: 60mg
Keywords: french onion soup, caramelized onion soup, homemade soup, restaurant style, vegetarian adaptable