9x13 Casserole Dish: I like to use a 9x13 baking dish for this casserole to allow room for spreading all the ingredients evenly.For a thicker version with more toppings on each piece, you can use ...

1/2 cup unsalted butter. 1/2 cup sour cream. 1/2 cup grated Mexican cheese blend. 1/2 cup Parmesan cheese. 1 cup Ritz crackers, crushed (about 24 crackers) ...