This quick and easy cream filling is the perfect accompaniment to puff pastry desserts, especially cream horns. 5 from 2 votes. Print recipe pin recipe. Webdouble check your label before opening, as natural peanut butters may instruct you to refrigerate after opening to extend the shelf life (via healthline). To ask a question. Share it with the community! This was developed for warm weather climates like florida as. Webno need to refrigerate since the milk is cooked with the flour. Just don't keep it in direct sunlight. Webkeep in mind, both of these recipes are made with real cream and need to be kept refrigerated. They also may make the puff pastry horn soggy, so it is best not to fill them. Web3/4 c marshmallow creme cream the crisco and butter. Add the sugar gradually and then the creme and vanilla. Beat well until it's smooth like whipped cream. Webdo cream horns need to be refrigerated? Once filled, cream horns are best eaten within six to eight hours, but preferably within a few hours. Any leftovers can be stored in an airtight container in the fridge for up to one day.