Print Pin 3.50 from 72 votes Sugar-Free Buttercream Icing 10 minutes minutes Calories 390kcal Ingredients1/2 cup peanut butter1/2 cup Swerve Sweetener1 stick butter (softened) InstructionsBlend ingredients in a mixer until smooth. Originally posted 2019-02-20 18:12:53. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Article Categories: Lunch