Grilled Mozzarella Sandwich This Grilled Mozzarella Sandwich is made with fresh tomatoes and walnut pesto grilled with sourdough bread. It's easy to assemble and bursting with flavor! Find a Recipes By Ingredients Share : You may like these posts :Monster Cinnamon Roll CookiesNo Bake Strawberry CheesecakeQuick & easy vegan ramen20 Healthy Dinner Ideas You Can Whip Up In 30 Minutes