HEAT a 8-10 inch cast iron skillet over medium low heat.
ADD 1 piece of butter to the skillet and melt.
ADD 1 piece of bread into the skillet and add 2 slices of the Swiss cheese, 2 munster, 4 slices of salami, 4 slices of ham, 2 slices of cheddar and top with pickles and mustard. Top with another piece of bread.
ADD a second piece of butter into the pan.
WHEN the butter has melted flip the sandwich and cook on other side until crispy and brown.