Name: Iced Gingerbread Biscotti
Ingredients: 1 ¼ cup all-purpose flour, plus extra for flouring hands; 1 cup + 3 Tbsp. whole wheat pastry flour; 2 tsp. baking powder; 1 Tbsp. ground cinnamon; 1 Tbsp. ground ginger; ¼ tsp. ground cloves; ¼ tsp. black pepper; ½ tsp. salt; 6 Tbsp. unsalted butter, softened; 1 cup brown sugar; 2 Tbsp. molasses; 2 ¼ tsp. vanilla extract, divided; 2 large eggs; 1 egg white; ⅔ cup powdered sugar; 1 Tbsp. milk