Follow directions on both the cake mix box and on the ... the cake. Spread blueberry filling on top of pudding. ... refrigerate for at least 30 minutes.
Preheat oven to 350°F. Grease ... or 9-inch) round cake pans. In a large bowl ... invert on rack (blueberry side up) and cool completely. ... layers should be up.
Heat the blueberries and sugar until sugar melts. Place blueberry mixture into a greased 9 ... pineapple. Sprinkle the cake mix over this mixture. Drizzle ... 350°F for 40 minutes.