Tortilla Casserole

Combine ground beef, onion, salt and pepper. Cook and drain. Add cream of mushroom soup and Ro-Tel tomatoes and mix well. Lightly grease a 13 x 9-inch baking dish.

Layer corn tortillas, then half of the sauce, another layer of corn tortillas and remaining sauce. Bake in a 350° oven for 30 minutes. Top with cheeses and put in broiler until cheese is melted. Can be served with picante sauce, sour cream or guacamole.