Kathleenjensen's Recipes: Chicken Casserole

Ingredients

• 1 pound shredded cheddar cheese (4.5 - 5 cups)
• 1 can creamy onion soup (or 1 can of cream of chicken)
• 1 can cream of mushroom soup
• 1 can tomatoes w/ Green Chile (Rotel)
• 1 bag of Doritos
• 2 pound boneless chicken
• 1 onion
• 1 can chopped green chillis