Chicken Queso Spaghetti
["1 (16 oz.) pkg. spaghetti, cooked", "1 lb. ground beef, cooked", "1 stick margarine", "1/2 to 1 whole onion", "1 lb. Velveeta", "1 can Ro-Tel tomatoes", "4 precooked chicken breasts, skinned"]
["Saute onion in margarine.", "Melt Ro-Tel and Velveeta together. Cut chicken into bite size pieces.", "Mix all together and invite neighbors!"]
["ground beef", "margarine", "onion", "Velveeta", "Ro-Tel tomatoes", "chicken breasts"]