Arby's Copycat Recipes: Arby's Roast Beef Sandwiches: Pinner said: These were REALLY good! We used 1 pound of roast beef from the deli and only 2 hours in the crockpot. I would half the brown sugar and double the water. I admit.I love me some Arby's.
Love the taste of Arby's? Then you'll love this Better than Arby's Roast Beef recipe. This slow cooker roast beef makes for a great overnight dish. Just place all of the ingredients in the slow cooker and let it do the work for you.