I found it easier for everything mixes better when at room temp, And I put my candy in the freezer for about an hour, crushes better!
Featured Pinch Tips Video
fold in 2 tubs cool whip.
pinch 1/2 up in bottom of a 9x12 cake pan.
layer 1/2 of your mix on top of that
1/2 your butterfinger & layer it on top of that.