1 lb. ground beef
1 sm. onion, chopped
1 c. cheddar cheese, grated
1 can cream of chicken soup
1 can Rotel tomatoes
Corn tortilla chips, crushed

Brown ground beef and onion; drain. Combine chicken soup and Rotel tomatoes. Put a layer of crushed chips on bottom of casserole, a layer of soup mixture, a layer of hamburger and grated cheese. Repeat ending with chips on top. Bake at 375 degrees in preheated oven until chips begin to brown and cheese starts to melt, about 10 to 15 minutes.