halfway. Cover; microwave on High 5 minutes. Remove leaves and cool with cold water; drain. Spread leaves out flat on paper towels; set aside. Thoroughly combine next 6 ingredients and bok choy stems. Divide into 6 equal portions; shape into meatballs. Enclose each in bok choy leaf; place in 9 x 13-inch microwave-safe baking dish. Cover; microwave on Medium-high (70%) 6 minutes. Uncover; brush tops lightly with 1 Tbsp. stir-fry sauce. Cover; microwave on Medium-high (70%) 7 minutes longer. Serve immediately. Makes 4 to 6 servings.