Pistachio Pineapple Cake

INGREDIENTS

* 1 box angel food cake
* 1 3.4oz box pistachio pudding mix
* ½ cup vegetable oil
* 3 eggs
* 20 oz can crushed pineapple with juices

FROSTING

* 8 oz tub cool whip, thawed
* ⅔ cup whole milk
* 1 3.4oz box pistachio pudding
* Pistachios, chopped for decoration

PREPARATION

* Preheat oven to 350 degrees and grease a 9×13 baking dish.