Serves 8-10 Approx. 20 (1/2-inch thick slices supermarket French or Italian bread 10 tablespoons unsalted butter, softened 8 medium shallots, minced (about ½ cup) 3 (10-oz.) package frozen chopped spinach, thawed and squeezed dry Salt and ground black pepper 1 cup medium-dry white wine, Vermouth 10 ounces Gruyere cheese, grated (about 2 1/2 cups) 13 … Read More