Turn dough onto work surface; press into a 7 1/2- by 5-inch rectangle. Cut into 6 squares, placing them 1 inch apart on a baking sheet. Sprinkle dough tops with 2 tablespoons sugar. Bake until golden brown, 12 to 14 minutes. Cool 5 minutes.
04Mix frozen and fresh berries with 6 tablespoons sugar in a bowl.
05Beat cream to soft peaks, gradually adding 1 tablespoon of sugar then vanilla.
06Split each cake. Spoon a portion of berries over each cake bottom, then a dollop of whipped cream over berries. Cap with cake top and serve immediately.