add the sauces to a small bowl and whisk to combine
Season the steaks on all sides with the steak spice
heat vegetable oil in a large skillet on medium-high until shimmering
Fry the steaks 30 seconds per side, if you have something heavy, try weighing the meat down, pressing it into the hot pan for a better sear, flip and repeat then set aside and cover
Turn the heat down to medium, add the mushrooms and sautee for 1 minute, stirring frequently.
Add the peppers, onions and sauce and stir to fully combine, use a flat bottom spoon to scrape up any fond on the bottom of the pan. Sautee for 2 minutes, stirring frequently
Halve the kaiser roll, spread both pieces with mayo
Set your oven to broil, put both pieces of the roll on a sheet pan, add the meat, veg, then top with the cheese and broil 1-2 minutes until top is toasted and cheddar is gooey
Put on the lid, cut in half and serve