1 Place the roast (ribs down or fat side up) in roasting pan. 2  Sear the rib roast for 15 minutes at 450Â°F, then turn the oven to 325Â°F for the rest of the cooking time. 3  Every 1/2 hour, baste the cut ends of the roast with the fat accumulated in the roasting pan. Smear the cut ends of the roast with the butter. 2  Place the roast (ribs down or fat side up) in roasting pan. 3  Sear the rib roast for 15 minutes at 450Â°F, then turn the oven to 325Â°F for the rest of the cooking time. 4  Every 1/2 hour, baste the cut ends of the roast with the fat accumulated in the roasting pan.
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In addition to its classic Roast Beef and Beef 'n Cheddar sandwiches, Arby's products also include deli-style Market Fresh line of sandwiches, Curly Fries and Jamocha Shakes.Its headquarters is in Sandy Springs, Georgia.As of December 31, 2013, there were 956 company-owned restaurants and 2,448 franchised restaurants. year later, the first Arby's licensee opened a restaurant in Akron, Ohio. The famous Arby's hat was designed by the original sign makers, Peskin Sign Co. Expansion to other states began in 1968, beginning in Pittsburgh (the closest large out-of-state market to Youngstown) and Detroit.