Preheat the grill.
Sprinkle the steak with salt and pepper and cook on the hot grill to desired doneness.
Heat the deep fryer to 275 degrees F.
Blanch the potatoes in the oil and cool to room temperature.
Raise the frying oil to 375 degrees F and fry the cooled potatoes until golden brown.
While hot, toss the fries with salt.
Slice the steak against the grain, top with some of the demi-glaze and serve the steak with the fries and sauteed vegetables.
This recipe was provided by a chef, restaurant or culinary professional and may have been scaled down from a bulk recipe. The Food Network Kitchens have not tested it for home use and therefore cannot make any representation as to the results.