Katie Lee is toasting the gooey-est of dairy delights. Katie teams up with her Kitchen Co-Host, Marcela Valladolid for tacos in San Diego. But there are no tortillas here, just cheese curds! San Diego also brings Chorizo Fundido - an epic, spicy waterfront treat. How does one liven up a cheesy Au Gratin? Well, when on the Alabama shores of the Gulf of Mexico, Katie adds gorgeous local shrimp! Florida doubles down with Mac & Cheese Grilled Cheese, while Arizona serves up seriously stuffed mushrooms! But Katie find one of the most creative uses of this versatile ingredient in Hawaii, Goat Cheese Truffles!