Heaven in a baking dish

OK carb avoiders, this is for a cheat night! Loaded Mashed Potatoes! This recipe has been going around on the internet and my wife snagged it so guess what's for dinner Sunday night! Loaded Mashed Potatoes recipe 6 cups prepared mashed potatoes 1/2 cup milk 1 (8 ounce) package cream cheese 1 cup sour cream 2 teaspoons parsley flakes 1 teaspoon garlic salt 1 cup shredded cheddar cheese 1/2 lb bacon