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 :Avocado Chicken SaladVegan Avocado Pesto PastaCrispy Vegan Potato Tacos with Jalapeño Cilantro SauceNo-Cook Cold Lunch Boxes 4 Ways for Clean Eating