Sour Cream Pound Cake

1 stick butter softened
1 1/2 cups sucant
1 bananna mashed
6 oz nonfat greek yogurt
1/2 c sour cream
3 eggs
3 egg whites
3 c oat flour
1/2 tsp baking soda
1/2 tsp baking powder
1 tsp vanilla extract

Cream butter and sucant with mixer until well incorporated.  Add Banana, yogurt, and sour cream, beat on low until combined. Whisk eggs and egg whites in a seperate bowl. Sift oat flour with baking soda and baking powder in a large bowl.  Add butter and egg mixture alternately into oat flour bowl. Add vanilla, and pour batter into 10in tube pan. cook at 325 for an hour. 
This cake only lasted 24hrs at my house and was made late Wednesday night.