Ingredient:

• 6 duck legs
• salt and freshly ground black pepper to taste
• 1 tablespoon vegetable oil
• 1 large onion, sliced
• 8 cloves garlic, minced
• 1 ½ cups chicken broth
• 1 cup seasoned rice vinegar
• ½ cup soy sauce, or to taste
• 2 teaspoons sambal chili paste, or other hot pepper sauce to taste
• 2 bay leaves