Blend first four ingredients together with a hand beater. You may need to add a touch of milk or water to smooth it out. It should have the consistency of a thick, fluffy mousse
Fold in sprinkles gently with a spatula, by hand.
Refrigerate 30 minutes to blend flavors and thicken mousse.
With a piping bag, pipe mousse into chocolate cups or whatever serving dish you’re using. Sprinkle with additional Sprinkle Pop pumpkin sprinkles and serve.