Gingerbread Cupcakes

Ingredients

• 1 1/3 cups all-purpose flour
• 1 tbsp ground ginger
• 1 tsp mustard powder
• 1 tsp baking soda
• 1/2 tsp ground cinnamon
• pinch ground cloves
• 1/2 cup dark brown sugar
• 1/4 cup molasses
• 2 tbsp vegetable oil
• 2 egg whites
• 1/2 cup buttermilk
• 1 piece fresh gingerroot ((2-inch))
• 1/2 cup confectioner's sugar
• 2 tbsp crystallized ginger (chopped)