Heat a pot and add 1 tbsp sesame oil and 1/2 tbsp cooking oil. Add 1 tbsp minced garlic and the white part of 1 stalk green onion, sliced, and sauté.

Add 2 tbsp red pepper powder and stir quickly to avoid burning.

Rinse 300g beef under running water, pat dry, and add to the pot. Sauté until almost cooked.

Add 4 tbsp soy sauce and stir to season the beef.

Pour in 8 cups of water and bring to a boil over high heat. Reduce to medium-low heat and simmer to extract flavors.

Add 400g bean sprouts and cook until tender.