Boil beef brisket in a small amount of water until cooked and the water has reduced. Reserve the beef broth.

Cut the brisket into cubes and set aside.

Sauté garlic in cooking oil.

Add beef broth, radishes, lemongrass, and ginger to the sautéed garlic. Simmer until boiling and well combined.

Add the beef, pepper, and salt. Cook until the seasoning is well incorporated.

Serve hot, garnished with soy beans, red onion, celery leaves, and chili sauce.