| allrecipes.ru |
| Lori Levin |
| Ингредиенты (11) |
|---|
| 1/2 cup unsalted butter |
| 2 tablespoons olive oil |
| 4 cups sliced onions |
| 4 (10.5 ounce) cans beef broth |
| 2 tablespoons dry sherry |
| 1 teaspoon dried thyme |
| 1 pinch salt and pepper to taste |
| 4 slices French bread |
| 4 slices provolone cheese |
| 2 slices Swiss cheese, diced |
| 1/4 cup grated Parmesan cheese |