1/2 pkg. (8 oz.) cooked egg noodles
1 can cream of chicken soup
1 can cheddar cheese soup
1/2 to 3/4 c. mayonnaise
2 cans tuna, drained
1 can mushrooms
Frozen peas
Durkee French fried onion rings

Mix all ingredients; top with onion rings. Bake at 350 degrees for 40 minutes.