In a large bowl, combine the ground beef, bread crumbs, onion, bell pepper, garlic, chili powder, Worcestershire sauce, Parmesan cheese, salt, and pepper.
Mix the ingredients together until combined.
Form the mixture into 1-inch balls and place them on a greased baking sheet.
Brush the olive oil over the meatballs.
Bake for 20 minutes or until the meatballs are cooked through.
Serve over pasta or as an appetizer.
Interesting Facts
Chipotle chili powder is a combination of smoked jalapenos, paprika, and other spices.
These meatballs can be made ahead of time and frozen for later use.
The Worcestershire sauce adds a tangy flavor to the meatballs.
The Parmesan cheese helps bind the ingredients together.