French onion soup Main DishVery Easy25 min Send this recipe to a friend Print this page Ask a question to the author Post your photo of this recipe Ingredients 3 2 tablespoons butter tablespoons vegetable oil 5 large onions, sliced 1 teaspoon dried thyme 1 tablespoon sugar 1 tablespoon sherry vinegar 2 tablespoons all purpose flour 1 vegetable soup cube 2 tablespoons curry powder 50 g grated cheese Salt and pepper to taste For the roasted bread : 2-3 slices of French bread Garlic butter 50 g cheese grated View the directions