PREPARE MINUTE Tapioca Pudding as directed on pkg., doubling all ingredients to make a double batch. Cool.
SPREAD jam evenly over half of the cake slices; top with remaining cake slices to make sandwiches. Cut into 1/2-inch cubes. Layer half each of the cake cubes, pudding and whipped topping in 4-qt. serving bowl. Repeat layers.
REFRIGERATE several hours or until ready to serve.