Pulled Ham Hock & Comte Focaccia Roll

Focaccia roll (strong white flour, water, leaven (flour, water), olive oil, sea salt), ham mix (gammon, gherkins, whole grain mustard, mayo (Rapeseed oil, pasteurised egg and egg yolk, water, spirit vinegar, sugar, salt, xantham gum, guar gum, mustard flour) flat leaf parsley, salt, black pepper), cheddar cheese, comte cheese, mayo (Rapeseed oil, pasteurised egg and egg yolk, water, spirit vinegar, sugar, salt, xantham gum, guar gum, mustard flour), rocket leaf