Keftedes

In a bowl mix ground beef, red onion, garlic, breadcrumbs, egg, fresh mint, fresh parsley, oregano, salt and black pepper until just combined.

Roll meatball mixture into about 20 walnut-sized balls with damp hands.

Air fry meatballs in a single layer, shaking the basket halfway, until browned and cooked through.

Serve hot with tzatziki.