homemade Chinese dumplings

Name: homemade Chinese dumplings
Ingredients: * 1/2 pound minced beef; * 1/2 pound minced pork; * 2 green onion, sliced; * 4 dried shiitake mushroom; * 1/4 cup chopped coriander; * 1 tablespoon minced ginger; * 2 tablespoon soy sauce; * 1 1/2 tablespoon oyster sauce; * 1 egg; * 1 tablespoon cornstarch; * 1 teaspoon sugar; * 50 round wonton wrapper; * 25 raw shrimp (optional)