Get a pan on medium heat.
Slice your bread.
Spread a generous amount of mustard on each slice, along with some mayo on the bottom slice.
Sprinkle a layer of cheese.
Place a layer of ham.
Sprinkle some more cheese.
Place a layer of roast pork.
Place sliced pickles.
Sprinkle the rest of your cheese.
Place top slice.
Spread olive oil either in your pan, or brush it on the outside of the sandwich.
Grill sandwich until golden brown and cheese is melted (cover pan with lid to help cheese melt).