Loco Moco Donburi

Ingredients

• 200g British beef mince
• 1 small onion, finely chopped
• 1 egg
• 2 tbsp Yutaka Panko
• 1 tbsp Worcestershire sauce
• 1 tbsp milk
• 1 tbsp vegetable oil
• 200ml beef stock
• 1 tbsp Yutaka Soy Sauce
• 1 tbsp ketchup
• 1 tsp Yutaka Mirin
• 1 tsp cornflour (cornstarch), mixed with 2 tsp water
• 200g cooked Yutaka rice
• Salt and pepper, to taste
• Spring onions, finely sliced (optional, for garnish)