In a medium bowl using a hand mixer or in the bowl of a stand mixer using the whisk attachment, blend cream cheese, powdered sugar, vanilla, peanut butter, and chopped Reese's until combined.
Transfer mixture to plastic wrap and shape into a ball. Fold up sides and cover with plastic wrap.
Refrigerate until slightly firm, 1 hour.
Unwrap and place on a serving platter.
Place Reese's Pieces all over and let soften 20 minutes before serving.
Serve with graham crackers.
Recipe by The Best Video Recipes for All at https://recipes-for-all.com/reeses-peanut-butter-ball/