Air Fryer Meatballs: A Quick and Healthy Recipe

Ingredients

• 1 small onion, roughly chopped
• 500g lean beef mince (5% fat or less)
• 1 tsp dried Italian herbs
• 1 level tsp Dijon mustard
• 1 medium egg
• 1 large zucchini, grated
• Low-calorie cooking spray or 1 tbsp olive oil