Mix all starred ingredients together and blend over MED-LOW heat stirring constantly until it thickens into custard. Set aside and let cool.
Whip the half pint of heavy whipping cream with electric mixer. Pour cooled custard into a punch bowl.
Fold in a little pinapple juice (and shredded chunks if desired), cream,and marshmallows, cover and let set in refrigerator for at least 24 hours before serving.
Submitted by: Lori O'Dell/Nicole Henderson