Cut pork belly into cubes. Rinse with boiling water and drain. Set aside.
Heat pan with 1 Tbsp. oil, sauté pork until light golden (about 7–10 minutes). Add cooking wine, rock sugar, anise pods, cinnamon, green onion, and ginger. Continue to stir-fry for 5 minutes. Stir in 3 cups water and Sauce Mix.
Cook over high heat until boiled. Lower heat and simmer for 40 minutes. Ready to serve.