Rich and Simple French Onion Soup

Ingredients

• 1/2 cup unsalted butter
• 2 tablespoons olive oil
• 4 cups sliced onions
• 4 (10.5 ounce) cans beef broth
• 2 tablespoons dry sherry (optional)
• 1 teaspoon dried thyme
• salt and pepper to taste
• 4 slices French bread
• 4 slices provolone cheese
• 2 slices Swiss cheese, diced
• 1/4 cup grated Parmesan cheese

Directions

1. Melt butter with olive oil in an 8 quart stock pot on medium heat. Add onions and continually stir until tender and translucent. Do not brown the onions.
2. Add beef broth, sherry and thyme. Season with salt and pepper, and simmer for 30 minutes.
3. Heat the oven broiler.
4. Ladle soup into oven safe serving bowl.  Place cheese on bread slices and toast in the oven until cheese melts.  Add bread to soup just before serving.

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