If using flank steak, follow same instructions as steak strips, cooking until flank steak reaches a minimum internal temperature of 145 degrees.
If using ground beef, follow same instructions as steak strips in Step 3, cooking with a pinch of salt and pepper and breaking up meat until no pink remains and beef reaches a minimum internal temperature of 160 degrees, 4-6 minutes.
If using Beyond Sausage, crumble into bite-sized pieces. Follow same instructions as steak strips in Step 3, stirring often, breaking up with suasage, until warmed through, 6-8 minutes. Vegetarian sausage will not brown.