Sweet-Sour Sauce with Pineapple for Spareribs, Meat & Seafood

3/4 lb. ground pork 1 small bamboo shoots, optional 1 stalk green onion 1 Tbsp. shoyu 1/2 tsp. sugar 1/2 tsp. salt 1 box wun tun pi 1 egg or 1-1/2 tsp. cornstarch Combine all of the ingredients except the wun tun squares. Place 1 teaspoonful of mixture in the wun tun squares. Place tin…