Ingredients
8 slices bacon
3 oz (about 1 1/4 cups) grated Gruyère
3 oz (about 1 cup) grated fontina
2 tablespoons finely grated Parmigiano-Reggiano
1/4 teaspoon crushed red pepper flakes (or to taste)
8 1/2-inch-thick slices Italian bread
2 medium ripe tomatoes, cut into 1/4-inch-thick slices
2 tablespoons butter, at room temperature
1 to 2 large cloves garlic, halved and peeled for rubbing
Preparation
