1 pkg. Jello pistachio pudding mix
1 container Cool Whip
1 (8 oz.) container sour cream
1 (No. 2) can crushed pineapple
2 c. marshmallows (miniature)
1/2 c. pecan nuts

Mix dry pudding mix and sour cream together. Stir in Cool Whip, marshmallows and can of pineapple and juice. Mix in nuts and chill in refrigerator.