Watergate Salad - cooking recipe

Ingredients

1 (16 oz.) carton Cool Whip
1 (20 oz.) can crushed pineapple (with juice)
1 1/2 to 2 c. miniature marshmallows
1 (3 oz.) pkg. instant pistachio pudding and pie filling
1/2 c. chopped walnuts (optional)

Preparation

Stir all ingredients well and chill before serving. Sets in minutes.