"Bull Fighting Pig Ball Pot", really fragrant

"Niu Dou Zhu Wan Clay Pot", this Hakka home-cooked dish is really delicious and fragrant. Bull Fighting Pig Casserole Meatballs material: 250g beef, 250g pork belly or foreleg, 5g salt, 5g pepper, 10g sweet potato powder (potato powder), 5g cooking oil, 20g light soy sauce, 20g oyster sauce, 5g sugar, starch water 20 grams, half an onion Precautions: 1. The ratio of beef to pork belly can be adjusted according to your preference; 2. When braising, don't have too much firepower. If it is too big, the meatballs will be boiled easily. 3. In fact, there is no sweet potato flour, you can use ordinary starch instead, but the finished meatballs are relatively not so smooth.