Peanut Butter Butterscotch Bars (or Confetti Squares) are a nostalgic childhood treat. Creamy peanut butter and butterscotch give way to squishy marshmallows in this yummy treat.
Combine butterscotch chips, peanut butter and butter in a large microwave-safe dish. Microwave on 50% power for 2 minutes. Remove, stir, then microwave another 1 minute on 50% power. Cool slightly.
Line a 8x8" square baking pan with parchment paper. Add the marshmallows. When butterscotch mixture has cooled slightly, pour over marshmallows and stir to combine and spread evenly in pan. Refrigerate until firm, about 1 hour.
Notes
Swap butterscotch chips for chocolate chips to make the chocolate version!