1 pkg. spaghetti, cooked
1 lg. jar Cheez Whiz
2 sm. cans Rotel tomatoes (I use 1)
1 jar sliced mushrooms
1 can sliced black olives
1/2 c. onion, chopped
1 chicken, cooked & boned
1 can mushroom soup

Mix all together and place in a 9 x 13 inch pan. Top with grated cheese. Bake at 350 degrees for 20 minutes.