1/2 pkg. macaroni (shell or elbow) (boiled in salt water)
1 sm. can crushed pineapple, drained
1 1/2 c. marshmallow bits

Mix together with the following dressing, which has been prepared and cooled in advance.

DRESSING:

1/4 c. sugar
Scant 1/4 c. flour
1/2 c. pineapple juice & water
1/4 c. vinegar
Butter the size of walnut