Butterscotch = brown sugar + butter, ideally cooked together for a long time. Pudding mix doesn't contain either of those two ingredients, so it is not u0022realu0022 butterscotch. u003cbr/u003eu003cbr/u003eI prefer to use a portion of brown sugar and the butter in the cake bring a light butterscotch flavor while leaving the intense goodness to the icing.