ARBY’S ROAST BEEF SANDWICH is a sandwich that is best served with a side of fries. The sandwich consists of sliced roast beef, melted Swiss cheese, and sauerkraut. and for extra taste you should add Arby’s horsey Sauce in your order. ARBY’S is a fast food restaurant that specializes in roast beef sandwiches. it was first introduced in 1965 by ARBY’S Restaurant Group in Grand … [Read more...] about Arby’s roast beef sandwich