Copycat Arby’s Beef ‘N Cheddar with Oak-Smoked Roast Beef – Revolution Barbecue

Ingredients

• Thinly sliced beef from the Oak-Smoked Roast Beef with Texas Beef BBQ Rub recipe
• 2 cups low-sodium beef broth (we used Better Than Bouillon)
• 1/2 cup ketchup
• 1/4 cup filtered water (plus more as needed for consistency)
• 1 tablespoon apple cider vinegar
• 1/2 teaspoon hot sauce (such as Louisiana Hot Sauce)
• 1/4 teaspoon granulated onion
• 1/4 teaspoon granulated garlic
• 2 tablespoons light brown sugar
• 1/4 teaspoon kosher salt
• 1 tablespoon unsalted butter
• 1 tablespoon all-purpose flour
• 1 cup whole milk
• 6 ounces shredded sharp cheddar cheese
• 2 slices American cheese
• 6 sesame seed sandwich buns