Remove the defrosted Redefine Beef Flank from the package.
Slice the Redefine Beef Flank, against the grain, into three medallions, 3cm (1.18 inches) wide.
Rub generously with oil.
Pan sear the medallions over medium to high heat, about 3-5 minutes per side (until, an instant read thermometer inserted into the center of each medallion, reaches a temp of 72°C (160°F).
Remove the medallions from the pan and slice along the grain into 30 small ½ -1cm (1/5-2/5 inch) thick, slices. Season with flaky salt, crushed black pepper and olive oil.
Heat a griddle or plancha.
Place the prepared Redefine Beef on the griddle/plancha, top with chopped jalapenos and smother with the shredded vegan cheese.
Continue to cook on the griddle till the vegan cheese has melted.
Slice the buns lengthwise and spread with vegan mayo.
“Scoop” the prepared Redefine Beef and vegan cheese onto each bun.
Wrap each bun in greaseproof paper, slice in half and serve.