Shanghai Shao Mai

Name: Shanghai Shao Mai
Ingredients: 3 cups glutinous sweet rice (sticky rice); 3 tablespoons cooking oil (plus some to coat the pan); 1/2 pound ground pork; 1/4 cup dark soy sauce; 3 tablespoons Shaoxing cooking wine; 1 tablespoon sugar; 1 teaspoon finely grated fresh ginger; 3 scallion stalks, finely chopped; 1 packet shao mai skin (or wonton wrappers)