Have this luscious fruit-topped cake on the table in only 15 minutes. To tote it to a picnic or potluck, follow the step to separate, seal, and assemble on site.
Place cake on a serving platter; sprinkle with juice. Set aside.
Stir together whipped topping and yogurt in a small mixing bowl, spread on cake. Cover and chill up to 2 hours.
To serve, arrange berries on the cake. Cut into wedges. Makes 8 servings.
To transport to a picnic or potluck, seal berries in a self-sealing plastic bag. Transport cake and berries in an insulated cooler with ice packs. Assemble before serving.