Butterscotch Frosting is a nostalgic, rich, and creamy topping that brings a sweet, buttery flavor with notes of caramel and vanilla. This treasured vintage recipe is written in classic cursive on a weathered recipe card, suggesting it's been passed down through generations. A blend of brown sugar, butter, and powdered sugar creates a luscious frosting that sets beautifully and adds an old-fashioned charm to any cake. It’s especially beloved for its deep butterscotch flavor and simple stovetop method, ideal for busy bakers craving a homemade touch.