Acini De Pepe Macaroni Salad

Boil acini de pepe macaroni in salted water; blanch and cool. Combine sugar, flour, salt, pineapple juice and egg yolks together; cook over medium heat, stirring constantly, until thick. Let cool and add macaroni.

Let set in refrigerator overnight. Add mandarin oranges, crushed pineapple, small marshmallows and Cool Whip to previous mixture and chill.