Easy Hamburger Casserole
["1 lb. ground beef", "2 cans tomato soup, undiluted", "2 to 3 oz. Velveeta cheese", "1/2 c. onion (optional)", "salt", "pepper", "2 c. uncooked macaroni"]
["Cook macaroni according to directions on package or box. Drain and rinse well with cold water.", "Set aside."]
["ground beef", "tomato soup", "Velveeta cheese", "onion", "salt", "pepper", "macaroni"]