1 onion, sliced thinly and sautéed until golden brown
8 thick tomato slices
Salt and freshly ground pepper
Instructions
1. In a small bowl, combine the mayonnaise, horseradish, shallot, and hot pepper sauce. Spread the mixture on the cut surfaces of the rolls.
2. Layer some of the beef, onions, and tomato slices onto the bottom half of the rolls. Sprinkle with salt and pepper to taste. Cover the sandwiches with the roll tops.