First, mix the peanut butter and butter in a bowl with a mixer.
Next, add the powdered sugar.
Then add the Rice Krispies to the mix. Mix everything until combined.
With a spoon, roll the peanut butter mixture into one-inch wide round balls.
Next, place the peanut butter balls on a baking sheet with parchment paper and freeze for 15 minutes.
Melt the chocolate in the microwave, then dip the peanut butter balls into the melted chocolate.
After dipping a peanut butter ball, transfer it to the baking sheet and top with sprinkles. Repeat.
Store in an airtight container at room temperature and enjoy!