1 (6 oz.) pkg. lemon gelatin
1 c. boiling water
1 can cold Mountain Dew
1 (15 oz.) can pineapple chunks or tidbits, drained & juice reserved
1 pkg. lemon pudding, cooked type
1 c. Cool Whip
1 c. colored marshmallows

Dissolve gelatin in boiling water; add Mountain Dew and juice drained from pineapple; chill until it begins to thicken. Cook pudding according to package instructions; cool. Mix gelatin, lemon pudding and Cool Whip together. Add drained pineapple and marshmallows. Pour into a large bowl and chill.