Tsukune: Japanese meatballs with ponzu

Ingredients

• 1/2 onion, finely chopped
• 2 1/2 tbsp vegetable oil
• 250 g minced beef
• 250 g minced pork
• 1 clove of garlic, crushed
• 70 g Kikkoman Panko - Japanese style crispy bread crumbs
• 2 tbsp milk
• 1 large egg
• 3 tbsp Kikkoman Naturally Brewed Soy Sauce
• Freshly ground black pepper
• 125 ml Kikkoman Ponzu Citrus Seasoned Soy Sauce - Lemon
• 1 tbsp Kikkoman Naturally Brewed Less Salt Soy Sauce
• 1 tsp sugar
• 1 spring onion, finely chopped