Do Ahead: Hash brown breakfast casserole can be baked 1 month ahead. Cut into pieces; wrap individually in plastic wrap and freeze. Unwrap and reheat on a baking sheet in a 350° oven 15 minutes.

Easy make-ahead trick for hashbrown breakfast casserole While this casserole is oven-ready in about 15 minutes, you can assemble it the day before (holding back the mozzarella pearls and tomatoes).

The hash browns are called southern style hash browns in my neck of the woods, but in reality they are frozen diced potatoes, so sometimes it will say diced potatoes on the package.

Pour everything on top of the hash browns. Cover and cook on low for 6-8 hours, or on high for 3-4. It's done when the eggs are fully cooked and the edges start to brown a bit.

Preparation. Assemble the casserole. 1. Heat a large skillet or wide sauté pan over medium-high heat. Add a splash of oil (for sausage) or melt 2 tablespoons butter (for mushrooms).

With so many options for easy meals, you've never been so grateful for leftovers. Hash is what leftovers dream to be. It's what I like eating more than the original meals in the first place. For ...