1 can cream mushroom soup, 1 can of Campbell's cheesy fiesta soup, 1 lb hamburger, 1 pkg taco seasoning, 1 can rotel, 1 onion, 1 bag shredded cheese, 1 bag of Doritos. Bown beef onion and add taco season per instruction on the pkg. Preheat oven to 350. Spay cooking spray. Layer chips on bottom. 1/2 bag. Large bowl mix soups, rotel, then add beef stir, put on top of chips, add more chips and cover with cheese bake 20 min