Pistachio Mallow Salad

1 small box Jell-O pistachio flavor instant pudding and pie filling
1 (20 ounce) can crushed pineapple in juice, undrained
1/2 cup walnuts, chopped
3 1/4 cups miniature marshmallows, divided
2 containers Cool Whip
Maraschino cherries with stems, for garnish, if desired

Stir pudding mix, pineapple with juice, nuts and 1 cup marshmallows in a large bowl until blended. Gently stir in 1 container Cool Whip.

Mix remaining container Cool Whip and 2 cups of marshmallows in separate bowl; reserve 1/2 of the mixture for garnish. Spoon 1/2 of the pudding mixture into a large serving bowl. Top with remaining marshmallow mixture and remaining pudding mixture. Garnish with reserved marshmallow mixture, marshmallows and maraschino cherries. Refrigerate until ready to serve.

Makes about 16 servings.