Remove excess blood from the ground pork using a kitchen towel.

Heat oil in a pan and sauté green onion and garlic until fragrant.

Add the ground pork to the pan and stir-fry with sugar and cooking wine. Use 0.5 tbsp sugar and 2 tbsp cooking wine.

Add chili powder and black pepper to the pork and continue stir-frying. Use 2 tbsp chili powder and a pinch of black pepper.

Push the pork to one side of the pan, add soy sauce to the empty side, and let it caramelize slightly. Use 1 tbsp soy sauce.