Pretzels filled with herb butter

wheat flour 45.0% , water 27.5% , Herb Flavoured Butter 10.0% , rapeseed oil 5.0% , cornmeal 5.0% , yeast 3.8% , salt 1.0% , wheat gluten 1.0% , barley malt flour 0.9% , sugar 0.5% , malted wheat flour 0.2% , parsley 0.1% , wheat starch 0.1% , Flour treatment agent 0.0% , Acidity regulator 0.0%