3 lb. ground beef
1 large onion
1 can cream of mushroom soup
1 can cream of chicken soup
1 10 oz. can chili pepper
1 pkg. taco seasoning
1 can Rotel tomatoes
1 lb. cheese shredded
12 large flour tortillas

Brown meat and onions. Drain. Mix all remaining ingredients with meat, except tortillas, and cheese. Cook 10 minutes. Heat butter in skillet, and heat tortillas on both sides. Spray dish, put tortillas on bottom of dish, then meat mixture. Then cheese, then tortillas, and continue until cheese is on top.

Bake for 30 minutes for 350°F.