In a large skillet or pot over medium heat, cook ground beef until browned. Drain excess grease if needed.
Add onion and bell pepper and cook for 4–5 minutes until softened. Stir in garlic and cook for 1 minute.
Stir in sloppy joe sauce, ketchup, Worcestershire sauce, broth, pasta, salt, and pepper. Mix well.
Bring mixture to a gentle boil. Reduce heat, cover, and simmer for 12–15 minutes until pasta is tender, stirring occasionally.
Stir in shredded cheddar cheese until melted and creamy.
Garnish with parsley if desired and serve warm.