Heat oven to 325°F. Spray cookie sheets with baking spray with flour.
In large bowl, beat egg whites with electric mixer on high speed until frothy. Gradually beat in sugar until stiff. In small bowl, stir together flour, pumpkin pie spice, ground ginger and salt; fold into beaten egg whites. Fold in candied ginger and coconut.
Drop by tablespoonfuls 2 inches apart onto cookie sheets.
Bake 15 to 20 minutes or until macaroons feel firm and are very lightly browned. Cool 10 minutes; remove from cookie sheets to cooling rack. Cool completely, about 15 minutes.
In small microwavable bowl, place chocolate chips and shortening. Microwave uncovered on High 30 seconds; stir until melted and smooth. Drizzle over cookies.