Kristy'S Mexican Casserole - cooking recipe

Ingredients

1 lb. ground beef (lean)
1 medium onion, diced
1 pkg. tortilla chips
2 cans Ro-Tel tomatoes
4 or 5 oz. grated cheese

Preparation

Brown meat and onion until done.
Line pan with chips (15 x 11-inch pan).
Add layer of meat mixture, cover with tomatoes and top with cheese.
Bake at 350\u00b0 until cheese melts.