Roast Beef Sandwich with Horseradish Mayonnaise

Number of Servings: 4

1 Lb. Roast beef, sliced
1 Pkg. Washed lettuce
4 Onion rolls
3 Tbsp. Horseradish
1 C. Mayonnaise
2 Scallions
1 Tomato
4 Slices Bacon, cooked and crumbled

Mix horseradish, mayonnaise and bacon. Cut up scallions and add to mayonnaise mixture. Divide roast beef onto rolls evenly. Add sliced tomato to each sandwich and top with lettuce. Liberally add mayonnaise mixture to each sandwich.