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Copycat's Arby’s Roast Beef Sandwiches


This recipe indulges you with the infamous Arby's roast beef sandwiches at home. By having the meat slow cooked in a crock pot, it marinates a complex flavor that resembles what they serve at Arby's.

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  • 3 to 4 pounds roast beef, sliced
  • 1/2 cup water
  • 1/2 cup firmly packed brown sugar
  • 1 envelope onion soup mix
  • 1 onion, chopped
  • 1/2 teaspoon garlic powder
  • Pinch of salt
  • Pinch of ground black pepper
  • 8 onion burger buns, or regular burger buns


Servings 8
Adapted from


Step 1

Place roast beef in a crock pot.

Stir all remaining ingredients together, except the buns, and pour over roast.

Cook on low for 8 to 10 hours, stirring occasionally.

Serve on buns.

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