Cook the pork belly in the chicken broth for 2 hours together with ginger powder, 1 tablespoon of rice vinegar, and 1 teaspoon of sugar. When cooked, dry the pork belly on a towel and let it cool in the refrigerator. Let the pork belly brown in a pan, then add soy sauce, honey, chili pepper, and ginger until the pork belly is caramelized.