Slather cranberry mustand on one side of each sandwich. Spread cream cheese on the other. Next assemble 1/2 slice (depending on the size) on the cranberry side, Next add a slice each of the other cheeses. Put the sandwich together and butter one side of each sandwich and put that side down on the hot grill pan. Now butter the other side. Grill until golden, then flip and finish grilling until cheese has melted.