1 (20 oz.) can crushed pineapple
1 (3 3/4 oz.) pkg. instant pistachio pudding
1 (9 oz.) pkg. Cool Whip, thawed
1 c. miniature marshmallows
1/2 c. chopped pecans or walnuts

Drain pineapple, reserving juice. Mix pineapple juice with pudding mix. Mix in whipped topping. Fold in marshmallows, pineapple and nuts. Mix well. Pour into 9 x 13 inch pan. Chill overnight. Cut into squares to serve.