In a very large skillet, cook ground beef and onion over medium until meat is brown. Drain off fat. Stir undrained tomatoes, tomato juice, chili powder, and garlic salt into meat mixture. Bring to boiling. Stir in pasta and green beans. Return to boiling; reduce heat. Cover and simmer about 15 minutes or until pasta and beans are tender.
Top with shredded cheddar cheese and and serve with tortilla chips, if desired. Makes 4 servings.