Heat 3 tbsp sesame oil and 1 tbsp olive oil in a pot over medium heat. Add beef brisket and cook until browned.

Push the beef to one side of the pot. Add 2-3 tbsp red pepper flakes to the oil and stir to create chili oil. Mix with the beef brisket.

Add sliced green onions and cook until softened. Then add 4 tbsp soy sauce and 3 tbsp anchovy fish sauce, stirring well.

Add boiled fern brake and oyster mushrooms. Stir and cook until all ingredients are well combined and softened.

Pour 1 pack of store-bought beef bone broth into the pot and bring to a boil.

Add 1 tbsp minced garlic, 2 tbsp red pepper flakes, salt, and black pepper to taste. Optionally, add chopped chili peppers for extra spice.