One of the most popular appetizers ever printed in the Times---
Arrange meatier wing parts in shallow baking pan.
Combine soy sauce, brown sugar, butter, mustard and water and heat until sugar and butter dissolve.
Cool and pour over wings.
Marinate in refrigerator 2 hours, turning occasionally.
Preheat oven to 350 degrees.
Bake, in marinade, for 45 minutes, turning once and basting occasionally.
Drain and serve hot or cold.