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Arby's Beef And Cheddar Copycat

This copycat Arby’s Beef and Cheddar stacks warm roast beef, cheddar cheese sauce, and tangy sauce on a soft onion bun—for a quick, satisfying homemade favorite.
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Ingredients
  

For the Arby’s Sauce:

  • ½ cup ketchup
  • 2 tbsp light brown sugar packed
  • 1 tbsp apple cider vinegar
  • 1 tbsp Worcestershire sauce
  • ½ tsp garlic powder
  • ½ tsp onion powder

For the Cheese Sauce:

  • 1 tbsp unsalted butter
  • 1 tbsp all-purpose flour
  • 1 cup whole milk
  • 6 oz shredded sharp cheddar cheese

For the Sandwich Assembly:

  • 2 cups low sodium beef broth
  • 1 lb thinly sliced deli roast beef
  • 4 onion hamburger buns

Instructions
 

  • Whisk together ketchup, brown sugar, vinegar, Worcestershire, garlic powder, and onion powder. Set aside.
  • Melt butter in a saucepan over medium heat. Stir in flour and cook 1 minute. Whisk in milk and simmer for 5 minutes. Remove from heat, stir in cheese until smooth.
  • Simmer beef broth in a skillet. Add roast beef slices and warm for 1–2 minutes.
  • Spread Arby’s sauce on buns, add warm beef, top with cheese sauce, and close with top bun. Serve hot.