1 lb. ground beef
4 oz. uncooked elbow macaroni
1 (10 1/2 oz.) can elbow macaroni
1 (10 1/2 oz.) can condensed cream of mushroom or chicken soup
3/4 c. milk
2/3 c. catsup
1/2 c. shredded cheddar cheese
1/4 c. chopped green pepper
2 tbsp. instant minced onion
1 tsp. salt
1 c. crushed potato chips

Heat oven to 350 degrees. Cook and stir meat until brown. Drain off fat. Cook macaroni as directed on package; drain. In ungreased 2 quart casserole, mix all ingredients, except potato chips. Cover; bake 40 minutes. Uncover, sprinkle with potato chips and bake 5 minutes longer.