I just tried the new Betty Crocker cake mix and was completely dissatisfied with the results! I am making big 1/2 sheets and usually only have to use 3 boxes of mix per half sheet and they rise up good and I can trim them down to get a nice smooth top but today when I did them with the smaller mix the cake barely bumped up and the sides were really low!! I had to redo the cake with another box of mix (so 4 total) because the first one I did was not tall enough for me to...