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Ingredients
- 2 each yellow, white and red onions, sliced (about 12 cups)
- 1/4 cup minced fresh garlic
- 1/4 cup olive oil
- 1 cup dry white wine
- 1/3 cup dry sherry
- 3 tbs flour
- 3 cups each chicken and beef broth 3 sprigs fresh thyme
- salt and pepper
- 6 baguette slices, 1/2 inch thick
- 1 cup shredded Gruyere cheese
- 1/2 cup shredded Parmesan
Preparation
Step 1
Sweat onions and garlic in oil covered, in a Dutch oven, 10 minutes. uncover onion, reduce heat to medium low and cook, stirring occasionally, until caramelized, about 40 minutes. Add wine and sherry; increase heat to high and cook, stirring often, until wine evaporates. Stir in flour and cook 1 minute. Add chicken broth, beef broth, and thyme; season with salt and pepper. Bring soup to a simmer and cook 10 minutes more. Preheat broiler to high with rack 5-6 inches from element. Broil baguette slices until toasted. Ladle soup into ovenproof bowls, arrange on a baking skeet and top each with a toasted baguette slice. Sprinkle slices with Gruyere and Parmesan, then broil until cheese melt, 1-2 minutes.