Ginger-Mustard Chicken Wings

24 chicken wings, separated, tips discarded
2 cup soy sauce
2 tsp pprepared mustard
2 tsp freshly grated ginger
1/2 cup sugar
2 tsp finely chopped garlic

Combine soy, mustard, ginger, sugar and garlic, stir well, then pour over chicken wings.
Cover and refrigerate over night
At serving time heat oven to 350 degrees and bake for 1 hour.