The PB Fluff is tempered milk chocolate, JIF creamy PB, unsalted butter, marshmallow fluff, vanilla bean paste and salt. If the butter is at room temp., it whips perfectly well with a spoon, the marshmallow fluff stays fluffy, and it pipes beautifully into the eggs,... or into one's mouth. 
I got to thinking later, it would make a marvelous filling for macaroons. I can take a pic of it if anyone would like that, so you can see how fluffy it is. I just adore the light texture and taste.
I handed out samples today to various folks, and got a unanimous thumbs up.
