allrecipes.ru |
Debbie |
Ингредиенты (8) |
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2 onions, thinly sliced |
1/4 cup butter |
2 tablespoons all-purpose flour |
2 (10.5 ounce) cans beef broth |
2 1/2 cups water |
6 slices French bread, toasted |
1/2 cup grated Parmesan cheese |
1/2 cup shredded Swiss cheese |