PISTACHIO-NUT DESSERT

1 Small Box of Pistachio Instant Pudding
1 Can (20)oz. Crushed Pineapple in juice, undrained
1/2 Cup Walnuts, chopped
3 Cups Mini Marshmallows, divided
1 Large (16)oz Container of Cool Whip

Stir together dry pudding mix, pineapple with juice, walnuts and 1 cup mini marshmallows in a large bowl until well blended. Gently stir in 1/2 of the container of cool whip.
In a seperate bowl, combine the other half of the cool whip and the rest of the marshmallows, mix lightly. Spoon half of the pudding mixture into a glass bowl or trifle bowl. Then add the marshmallow mixture. Make layers of this and on top put cool whip and nuts.