Pumpkin Angel Food Cake

1 angel food cake mix
1 tablespoon flour
1 1/2 pumpkin pie spice
3/4 cup canned pumpkin (not pie mix)
1 cup cold water

Filling
2 cups heavy cream
1/4 cup powdered sugar
2 tablespoons finely chopped crystalized ginger

Combine cake ingredients and mix on low for 30 seconds and medium for 1 minute. pour into angel food cake pan. Bake at 350° for about 40 minutes or until dark golden brown. Turn upside down on bottle. After cooled, combine cream and powdered sugar and beat until stiff. Fold in ginger. Cut cake in half to make two layers. Spread half of filling on bottom layer and place to of cake back on top. Spread remaining filling over cake.