Easy Macaroni and Beef Casserole

• 1 pound lean ground beef
• 1/4 cup finely chopped onion
• 1/4 cup chopped green pepper
• 4 ounces uncooked elbow macaroni
• 1 can (10 1/2 ounces) condensed cream of mushroom soup
• 3/4 cup milk
• 1/3 cup ketchup
• 1/2 cup shredded sharp Cheddar cheese
• 1 teaspoon salt
• 1 cup crushed potato chips

Preheat oven to 350°. Cook and stir meat until browned through; add chopped onion and green pepper and sauté 2 minutes longer. Drain well to remove excess fat. Cook macaroni as directed on package; drain. In ungreased 2-quart casserole, combine browned beef and onions, cooked macaroni, soup, milk, ketcup, cheese, and salt. Cover and bake 35 to 40 minutes. Uncover; sprinkle with crushed potato chips, and bake 5 minutes longer.
Serves 4.