Why reinvent the wheel? For generations, home cooks have relied on this classic meatball recipe for its infallibility and ease—and when we say they’re easy, we really mean it. All it takes to achieve this meaty main dish is eight basic ingredients, like ground beef, a few seasonings, an egg, milk, onion and breadcrumbs. Got it? Now, if you have 15 minutes to spare and a foil-lined 13x9 pan, perfectly browned and tender meatballs could be the answer to tonight's dinner jam. If that’s not...