1. Cook and stir ground beef, onion, and green pepper in Dutch oven until beef is brown; drain.
2. Stir in Sauce Mix, water, chili powder, garlic salt, salt and tomatoes (with liquid); break up tomatoes with fork. Heat to boiling, stirring constantly; reduce heat. Cover and simmer, stirring occasionally, 10 minutes.
3. Stir in macaroni, corn (with liquid) and olives. Cover and cook 10 minutes longer. Garnish with corn chips if desired.