01 -
In a large bowl, whisk together egg, minced garlic, dried minced onion, salt, and black pepper until well integrated.
02 -
Add Panko breadcrumbs and whole milk to the bowl, stir thoroughly, and let the mixture rest for one minute to allow liquid absorption.
03 -
Add ground beef and ground pork to the seasoned mixture. Mix gently with clean hands just until combined, avoiding overmixing to prevent toughness.
04 -
Fold in grated Parmesan cheese and two tablespoons of chopped parsley, mixing gently until evenly distributed.
05 -
Shape mixture into 15 equal meatballs using a 3-tablespoon scoop. Place on a baking sheet and refrigerate for 60 minutes to enhance flavor melding and maintain shape during cooking.
06 -
Preheat a 6-quart air fryer to 400°F (204°C) for 4 minutes before cooking.
07 -
Arrange meatballs in the air fryer basket with space between each to ensure even cooking. Cook in two batches if necessary to avoid overcrowding.
08 -
Cook meatballs at 400°F (204°C) for 15 minutes or until an instant-read thermometer inserted into the center registers 160°F (71°C).
09 -
Sprinkle with remaining chopped parsley and serve meatballs atop pasta with tomato sauce or in a hoagie roll with provolone cheese for a classic sub.