Ingredients

  • 1 -1/2 pounds grilled medium-rare steak, preferably strip, Porterhouse, or hanger
  • 3/4 pound Saga blue cheese
  • 6 crusty rolls, such as Portuguese or country sourdough, split in half lengthwise
  • 1/3 cup Dijon mustard
  • Kosher salt and freshly ground black pepper, to taste
  • ROASTED SHALLOTS (recipe follows), roughly chopped
  • 4 -1/2 cups loosely packed watercress, washed and dried
  • 18 shallots (about 1 3/4 pounds), unpeeled
  • 1/4 cup extra-virgin olive oil
  • 1 tablespoon kosher salt, plus more to taste
  • Freshly ground black pepper

Method

  • Preheat a broiler.
  • Slice the steak into 1/4-inch thick slices.
  • Slice the cheese into 12 pieces.
  • Set the rolls, cut side-up on a baking sheet and toast under the broiler.
  • Set the tops of the rolls aside.
  • Slather the bottom halves of the rolls with half the mustard and top with the slices of steak, overlapping them slightly.
  • Season with salt and pepper.
  • Cover with 2 slices of cheese.
  • Broil the open-faced sandwiches until the cheese is lightly browned and melted, about 1 minute.
  • Transfer the sandwiches to the work surface.
  • Top each sandwich with an equal portion of the roasted shallots and about 3/4 cup of the watercress.
  • Slather the tops of the rolls with the remaining mustard and cover the sandwiches.
  • Slice the sandwiches in half crosswise.
  • Serve immediately.
  • Preheat the oven to 400 degrees F. In a large bowl, toss the shallots with the oil and salt, and season generously with pepper.
  • Transfer to an aluminum foil-lined baking sheet and spread out in a single layer.
  • Bake until the shallots?
  • skins are somewhat charred and crispy and the flesh is very tender, about 40 minutes.
  • Remove from the oven and allow to cool slightly.
  • Using a knife, slice off the tips of the shallots (the end opposite the root end) and discard.
  • Gently squeeze the shallots from their skins and season with salt and pepper to taste.
  • Serve with roasted beef, chicken, or on steak sandwiches.