Koktail Bakso dengan Saus Saus Asam Manis

Bahan-bahan (25 porsi)

• 3/4 cup panko breadcrumbs ((Note 1))
• ½ onion
• 250 g / ½ lb beef mince ((ground beef) (Note 2))
• 250 g / ½ lb pork mince ((ground pork) (Note 2))
• 1 egg
• 1 g arlic clove (, minced)
• 1½ tsp Worcestershire Sauce
• 3/4 tsp salt
• ½ tsp black pepper
• 1 tbsp cornflour/ cornstarch
• ¼ cup / 65 ml water
• ½ cup / 125 ml apple cider vinegar
• 1/2 cup / 100g brown sugar ((adjust to taste))
• ¼ cup / 65 ml tomato ketchup
• 1 tbsp soy sauce ((Note 2))
• Finely chopped chives