1 pkg. of hamburger meat
1 can chopped tomatoes and green chilies (Rotel)
1 can chicken and mushroom soup
1/2 onion, chopped (optional)
1 c. grated American cheese or 1 can cheese soup
1 1/2 c. crushed tortilla chips

Brown hamburger with chopped onion. Drain and add tomatoes and soup. Put tortilla chips in bottom of baking dish and pour meat mixture over them. Sprinkle cheese on top and bake at 350 degrees for 30 minutes. Serve with crackers and green salad.