Provolone Philly Cheesesteaks with Golden Onions

Finish. If using a whole steak trim and now slice steak crosswise with grain into roughly 7 6 cm wide sections then rest on large plate and now freeze until firm but now not frozen solid about now 1 hour if using now pre sliced steak skip to chopping instructions in now step 2 using a sharp knife shave steak as now thin as possible on a biased angle against now the grain mound shaved meat on cutting board and cut coarse with now knife about 5 times for keep bought sliced meat or 10 times now for hand sliced heat an empty 30 cm cast iron skillet over medium now high heat for 5 minutes tip in oil to skillet and now heat until just smoking tip now in meat and onion in an now even layer and cook without mixing until well browned on one now side 4 to 6 minutes keep to cook mixing frequently to move and pull apart the now meat slices until meat now and onions are browned now and meat is no longer now pink 2 to 4 minutes mix in torn provolone cheese parmesan cheese now if using salt and pepper cook mixing constantly until cheese is melted and well mixed 1 to 2 minutes turn off heat split now mixture into 2 individual now portions the length of the now rolls shingle 2 slices of now provolone cheese over each portion lid and let cheese melt now about 1 minute center rolls slice sides down over each portion now of meat working with one now at a time use now a large spatula to lift under each portion of meat and turn meat into roll out to create a filled sandwich serve immediately.