How can I enhance the flavor of frozen meatballs to make them taste better?

To enhance the flavor of frozen meatballs, try seasoning them with herbs and spices like garlic, onion powder, oregano, or parsley. You can also add a splash of Worcestershire sauce or soy sauce for extra depth of flavor. Another option is to simmer the meatballs in a flavorful sauce, such as marinara or teriyaki, to infuse them with more taste.