1 to 2 c. cooked chicken
1/2 to 1 chopped onion
2 to 4 c. grated Cheddar cheese
1 can cream of mushroom or cream of chicken soup
1 can Rotel tomatoes or mild picante sauce
8 oz. tortilla chips or tortillas, cut in fourths

Layer twice. Bake at 350 degrees for 40 minutes or until onions cook. You can also microwave on high for 20 minutes.