Step 1

Boil 6 cups water in a cooking pot.

Step 2

Put Ox bat and balls. Continue to boil for 15 to 20 minutes. Remove from the cooking pot and wash with running water. Discard the water.

Step 3

Pour 6 cups water in a cooking pot. Let boil. Add sibot herb mix and lemongrass. Cook for 5 minutes.

Step 4

Add bat and balls into the pot. Continue to cook for 3 to 4 hours or until tender. Note: you can use a pressure cooker to tenderize it quickly. Add water as needed.

Step 5

Remove the meat from the pot. Let it cool down and then slice into smaller pieces. Filter the liquid using a kitchen sieve to separate the solid ingredients. Set aside.

Step 6

Heat oil in a cooking pot. Saute garlic, onion, and ginger until garlic browns and onion softens.

Step 7

Add the sliced bat and balls and chopped Thai chili. Saute for 2 minutes.

Step 8

Pour the filtered liquid and add beef broth. Let boil. Cook for 20 minutes.

Step 9

Season with fish sauce and ground black pepper and add sugar. Cook for 5 minutes more.

Step 10

Make the soup thicker by pouring a mixture composed of cornstarch and water. Stir.

Step 11

Transfer to a serving bowl. Serve.

Step 12

Share and enjoy!