Korean Dumplings: Mandu

Name: Korean Dumplings: Mandu
Ingredients: 1/4 pound ground beef; 3 ounces vegetable oil; 3 ounces minced Spanish onion; 3 ounces shredded cabbage; 2 ounces roughly chopped bean sprouts; 1 scallion, finely chopped; 4 ounces firm tofu, mashed to a fine consistency; 1 1/2 tablespoons hoisin; 1 1/2 tablespoons salt; Dash pepper; 24 wonton skins; 1 egg beaten; Oil, for frying; 8 tablespoons soy sauce; 6 tablespoons rice vinegar; 2 teaspoons granulated sugar; 2 teaspoons green onion, finely chopped; 2 teaspoons sesame seeds, toasted