1 loaf crusty multi-grain or whole wheat bread, cut into sixteen 1/4-inch-thick slices
2 tablespoons (1/4 stick) butter, room temperature
1 1/2 pounds thinly sliced rare roast beef
1 7.25-ounce jar roasted red peppers, drained, sliced (optional)
3 bunches arugula, trimmed
Directions
Using fork, mash cheese in bowl. Whisk in sour cream, mayonnaise and Worcestershire. Season with salt and pepper.
Spread 8 bread slices with butter. Spread remaining 8 bread slices with cheese dressing; mound beef atop dressing, dividing equally. Sprinkle with salt and pepper. Top with peppers, if desired, then arugula and buttered bread slices. Cut sandwiches in half. (Can be made 6 hours ahead. Wrap in foil and refrigerate.)
