Almost did not post this because I messed up 2 times, but hey we are all human. Cake: 2 and 12 cups cake flour 2 eggs 2 and 12 teaspoons baking powder 12 teaspoon baking soda 12 cup butter (room temperature) 1 cup white sugar 14 cup brown sugar 12 cup buttermilk 1 and 12 teaspoons vanilla 1 cup mashed bananas (very ripe) Frosting: 1 and 12 cups heavy cream 3 cups brown sugar 12 teaspoon lemon juice 5 Tablespoons cold butter 12 to 34 cup icing sugar