1 (3 oz.) pkg. lime Jello
1 c. boiling water
1 1/2 c. vanilla ice cream
1 sm. can pineapple, drained
1/2 c. chopped pecans
Handful of miniature marshmallows (optional)
1 c. finely chopped celery

Dissolve Jello in water; add ice cream and stir until dissolved. Add remaining ingredients. Pour into mold.