Air-Fried Meatballs with Cilantro in Tomato Sauce

Ingredients

• 2.2 pounds (1 kg) minced beef
• 1/2 cup (80 g) onion, chopped
• 1/4 cup (30 g) chopped fresh cilantro
• 1 (2 oz. or 60 g) whole egg
• 1/2 cup (50 g) breadcrumbs
• 1/2 teaspoon (2.5 g) Kosher salt
• 1/4 teaspoon (0.5 g) freshly ground black pepper
• 1 cup (250 g) tomato sauce
• cooking oil spray