Ham & swiss with spicy mustard on a pretzel roll sandwiches

PRETZEL ROLL 51.1% , barley malt flour 24.5% , E375 12.2% , iron 6.1% , thiamin mononitrate 3.1% , E101 1.5% , folic acid 0.8% , water 0.4% , palm oil 0.2% , sugar 0.1% , skimmed milk powder 0.0% , yeast 0.0% , salt 0.0% , dough extender 0.0% , Flour treatment agent 0.0% , E282 0.0% , ham 0.0% , salt 0.0% , sodium citrate 0.0% , E339 0.0% , brown sugar 0.0% , E262ii 0.0% , E316 0.0% , E250 0.0% , Swiss cheese 0.0% , lactic ferments 0.0% , salt 0.0% , enzyme 0.0% , spicy mustard 0.0% , water 0.0% , mustard seed 0.0% , salt 0.0% , turmeric 0.0% , paprika 0.0% , natural flavouring 0.0% , spice 0.0% , garlic 0.0% , sugar 0.0% , water 0.0% , spice 0.0% , less than 2% apple concentrate 0.0% , E1400 0.0% , BOURBON 0.0% , natural and artificial flavouring 0.0% , E211 0.0% , E202 0.0%