Angel food cake mix
2 lg. bananas, sliced
2 pt. blueberries
1 c. sour cream
1/2 c. sugar
2 c. heavy cream

Bake cake according to directions. Cool. Mix sour cream, sugar, add bananas and berries. Whip cream; add to sour cream mixture. Slice angel food cake into 3 layers. Spread mixture between slices and top. Refrigerate 2-3 hours. You can substitute strawberries.