1 pkg. (4 serving size) Jello, any flavor
3/4 c. boiling water
1/2 c. cold water
1 c. thawed Cool Whip or sour cream
1 (20 oz.) can crushed pineapple, drained
1 (11 oz.) can mandarin orange slices, drained
1 c. miniature marshmallows
1/4 c. chopped walnuts

Dissolve Jello in boiling water; add cold water. Refrigerate until s lightly thickened. Add whipped topping and blend until smooth. Stir in pineapple, oranges, marshmallows and nuts. Chill 2 hours.