2 lbs ground beef
1 cup breadcrumbs
1/2 cup grated Parmesan cheese
1/2 cup milk
2 large eggs
1 small onion, finely chopped
3 cloves garlic, minced
1 tsp dried oregano
1 tsp dried basil
1 tsp salt
1/2 tsp black pepper
1/4 cup ketchup
1/4 cup grated mozzarella cheese (optional)