My Favorite Pork Hash (Shumai)

Ingredients

• 1/2 lb ground pork
• 1/2 lb minced shimp
• 1 egg
• 1/4 cup chopped water chestnuts
• 1/4 green onion
• 2 tbsp Aloha shoyu ((soy sauce))
• 1 tbsp oyster sauce
• 1/4 tsp salt
• 1/4 tsp ground black pepper ((white pepper))
• 1 tbsp sesame oil
• 1 14 ounce package round dumpling skins
• 1 tbsp shoyu (soy sauce)
• 1/2 tbsp Chinese hot mustard