In large bowl, combine flour, sugar and salt, stirring to incorporate mixture together. Add yeast, butter, water and knead dough until smooth, about 12-15 minutes. In lightly greased bowl, place dough and cover for 1 hour or until doubled in size.

Line baking sheet with parchment paper and set aside. On lightly floured surface, roll dough into large rectangle, around 19-in. in length, rolling it up tightly into log shape. Cover and let prove for 1 hour.

Preheat oven to 425 degrees F.

Place bread into oven and add two handfuls of ice in bottom, quickly closing door to trap steam.

Bake for 26 minutes or until golden brown.

Remove bread from oven and set aside to cool on wire rack.

Preheat skillet on medium-high heat.

Slice bread in half lengthwise and fold open. Layer with ham, pork and cheese.

Top with pickles, a drizzle of mustard and close sandwich.

Place sandwich in skillet and cook for 2-3 minutes on each side or until golden brown. Remove from heat and transfer to cutting board to slice in half. Serve warm.