Line a baking sheet, board, or plate with parchment paper.
Combine the melted salted butter and peanut butter using an electric mixer.
Stir in the Rice Krispies.
Add the powdered sugar and mix until everything is combined.
Portion the mixture with a cookie scoop, then roll into balls. Place the peanut butter Rice Krispie balls on the prepared board or sheet.
Chill the balls for about 30 minutes or until firm.
Melt the chocolate chips in the microwave at 50% power for 1 minute. Stir and continue microwaving in 15-second intervals until smooth.
Dip the Rice Krispie peanut butter balls into the melted chocolate. Refrigerate until the chocolate coating is set, and you're done!