Impress brunch guests with this delicious and nutritious breakfast casserole. Begin by baking a golden crust out of hash brown potatoes, then fill with sausage, eggs, fresh mushrooms, pepperjack and Swiss cheeses. Finish off with garlic salt, chopped fresh parsley and thin slices of fresh tomato. The color, freshness and textures will win over your group, and the easiness of this recipe will have you returning again and again. Get the recipe for Egg and Hash Brown Casserole.