01 -
Preheat oven to 400°F and line a baking sheet with parchment paper or a nonstick baking mat.
02 -
In a large mixing bowl, combine Italian bread crumbs and milk. Stir well and allow mixture to hydrate for at least 5 minutes.
03 -
Add ground beef, onion, garlic, beaten egg, salt, black pepper, parmesan cheese, and parsley to the soaked breadcrumb mixture. Gently mix by hand until ingredients are just combined, avoiding overworking the mixture.
04 -
Portion the mixture onto the prepared baking sheet using a cookie or ice cream scoop for even sizing. With damp hands, roll each portion into a ball approximately 2 inches in diameter.
05 -
Bake in preheated oven for 18 to 20 minutes, or until meatballs reach an internal temperature of 165°F. Remove from oven, drain any excess fat, and serve with preferred sauce.