In a medium bowl, combine all topping ingredients. Gently mix until uniform. Cover and refrigerate. In a large bowl, combine ground beef, breadcrumbs, egg whites/substitute, garlic, onion powder, salt, and black pepper. Firmly and evenly form into 12 meatballs. Lay meatballs in the baking pan, and evenly top with marinara sauce. Cover pan with foil, and bake for 20 minutes.