Southern Potato Gatto

This Southern Potato Gatto is a mashed potatoes recipe that is different from the same old side dish. It is a simple mashed potato casserole that is filled with flavors of Yukon gold potatoes, milk, butter, two different cheeses and pastrami. This is a creamy concoction that will replace any boring mashed potatoes you used to make. This is a way to add more flavor and texture to regular potato side dishes. Plus, it's super easy to make and can be done with just six ingredients.