French Bread or similar bread dough caraway seed flaky kosher salt butter beef stock red wine Worcestershire sauce cracked black pepper sliced roast beef prepared horseradish
Arrange the rolls 2 inches apart on a baking sheet and bake until crusty and beginning to brown.
Melt the butter in a saucepan and whisk in the beef stock, wine, and Worcestershire sauce then simmer.
Spread horseradish on each roll. Before assembling, dip the beef and top of the roll in the au jus.