preheat oven to 350 degrees and spray 6 inch round cake pan with nonstick cooking spray. rinse and drain blueberries, if using frozen allow enough time for the berries to thaw and drain.
2
mix egg and mashed banana''s together.
3
mix in apple juice until well combined.
4
add dry ingredients then with hand mixer beat for 2 minutes on high.
5
fold in blueberries.
6
pour batter into sprayed 6 inch round baking pan. Bake at 350 degrees for 15-20 minutes or until the center of the cake springs back when touched lightly.
7
remove from oven and let cake cool in the pan for 2 minutes. insert knife around the edges to loosen the cake from sides and invert onto cooling rack. let sit for 30 to 45 minutes.