2 pkg. lemon Jello
2 c. boiling water
1 c. Mountain Dew combined with 1 c. pineapple juice
1 (20 oz.) can pineapple, crushed, well drained
2 c. miniature marshmallows

TOPPING:

1 can lemon pie filling
8 oz. carton Cool Whip

Dissolve Jello in hot water, add Mountain Dew and pineapple juice, mix. Cool, add pineapple, marshmallows and let thicken. Mix Cool Whip with lemon pie filling. Spread over top and refrigerate.