Beef on Weck

Step 1
Preheat the oven to 300 degrees F (150 degrees C).

Step 2
Place rolls onto a baking sheet with the cut sides down. Brush roll tops lightly with water, then sprinkle salt and caraway seeds over top.

Step 3
Bake in the preheated oven until toasted, about 10 minutes.

Step 4
While the rolls are toasting, warm au jus sauce in a saucepan over medium heat, 3 to 5 minutes. Add roast beef and cook until heated through, 3 to 5 minutes.

Step 5
Remove rolls from the oven and transfer to serving plates. Top with warm beef and au jus sauce. Serve horseradish on the side.