This Mardi Gras Muffaletta layer dip is inspired by the famous Italian sandwich, The Muffaletta, which was introduced by Central Grocery in New Orleans in 1906! This hot dip is a great appetizer for your Mardi Gras or Super Bowl party! The recipe consists of a zesty olive salad, roasted red peppers, giardiniera, Salami, Mortadella, Pepperoncini, Cream cheese and Mozzarella, all layered, baked till bubbly and served warm with bread!