In a large bowl mix the ground meat, onion, garlic, Worcestershire sauce, eggs, breadcrumbs, salt and pepper and crushed tomatoes (optional) until just combined.
Roll mixture into 25 meatballs and place into 9x13 baking dish.
Bake for 18-20 minutes.
Turn oven onto broil.
Glaze with sauce then broil until the sauce caramelizes, about 1 minute. (If you prefer not to broil, cook at 450 for 5 minutes)