A warm grilled cheese sandwich layered with basil pesto and melted cheese on crispy toasted bread.
4 slices sourdough bread
1/3 cup basil pesto
4 slices mozzarella
2 slices provolone
2 tablespoons butter
1 tomato, optional
1/4 cup spinach, optional
1/4 teaspoon black pepper
Cook over medium heat for even melting and crisp texture.