01 -
Sprinkle salt and pepper over steak portions. Toss them in a zip-top bag with tamari and garlic. Seal tightly and shake to coat evenly. Store in the fridge for at least an hour, or let it sit overnight.
02 -
Take the marinated steak out of the fridge and toss the excess marinade. Lay each steak flat, place a few asparagus spears and bell pepper strips in the center, roll up, and hold in place with a toothpick.
03 -
Set the air fryer temperature to 400°F (200°C) and let it warm up.
04 -
Put the steak rolls into the air fryer basket in batches. Spray exposed vegetables with olive oil. Air fry for 5 minutes.
05 -
Take the cooked rolls out of the basket and leave them to rest for around 5 minutes before serving or slicing.
06 -
As the rolls are resting, combine balsamic, broth, and butter in a small saucepan over medium heat. Stir as it reduces and thickens by 50%. Add a bit of salt and pepper to bring out the flavors.
07 -
Drizzle the sauce over the steak rolls just before eating.