Easy Apple Spice Cake

For Cake:

1 package Namaste Foods Spice Cake Mix
20 oz can GF apple pie filling
4 eggs

Brown Sugar Cinnamon Frosting:
1 cup butter, softened
3 cups powdered sugar
1/2 cup brown sugar
1 teaspoon cinnamon
2 tablespoons milk
1 teaspoon vanilla

1. Preheat oven to 350° F.
2. Generously grease 9 x 13 pan.
3. Beat together cake mix, pie filling and eggs until well blended (there will still be chunks of apple). Pour into prepared pan.
4. Bake for 30-35 minutes or until toothpick inserted comes out clean.
5. Allow to cool completely.
6. Frosting: Whip butter, brown sugar, cinnamon and vanilla until fluffy.
7. Gradually add powdered sugar. Add milk until you reach desired consistency.
8. Spread frosting over cake. Sprinkle with more cinnamon if desired.

This would also be excellent with cream cheese frosting!