
Feed a crowd with this Meatball Sub Casserole from Delish.com.
Preheat oven to 400°. Make meatballs: In a large bowl, combine ground beef, garlic, egg, bread crumbs, and parsley. Season generously with salt and pepper, then stir together until just combined. Form into 30 evenly sized balls.
In a large skillet over medium-high heat, heat oil. Cook meatballs, in two batches, until no pink remains, 6 to 7 minutes, then drain on a paper towel-lined plate.