Savory Hamburger Supper
["1 lb. ground beef", "1/2 c. chopped onion", "1 tsp. chili powder", "2 c. hot water", "1 pkg. macaroni and cheese", "1 (16 oz.) can chopped tomatoes", "1 (17 oz.) can whole kernel corn, drained"]
["Brown ground beef and onion in 3-quart saucepan; drain.", "Add chili powder and water.", "Bring to a boil.", "Stir in macaroni, tomatoes and corn.", "Simmer over medium heat, stirring occasionally, for 15 minutes.", "Stir in cheese packet."]
["ground beef", "onion", "chili powder", "water", "macaroni", "tomatoes", "whole kernel corn"]