Cheeseburger Mac

1 pound ground beef
2 3/4 cup water
1/3 cup ketchup
1 to 2 teaspoons onion powder
2 cups (8 ounces) elbow macaroni, uncooked
3/4 pound (12 ounces) prepared cheese product, cut up

Brown meat in large skillet; drain. Stir in water, ketchup, and onion powder; bring to a boil. Stir in macaroni; reduce heat to medium-low. Simmer covered, 8 to 10 minutes or until macaroni is tender. Add cheese; stir until melted. Makes 4 servings.