Arby's Roast Beef Cheddar Recipe: Slow-Sliced Sandwich Magic

This Arby's Roast Beef Cheddar recipe delivers the same slow-sliced beef and melty cheddar you love from the restaurant, right in your home kitchen. 💛 After years of perfecting roast beef techniques, I've cracked the code for tender, flavorful beef that's sliced perfectly thin—just like the pros. The secret lies in slow-roasting and a proper cheese-melting method that creates that signature gooey texture. What makes this recipe special is the balance of simplicity and technique. You'll start with a simple dry rub and slow cook the beef until it's fork-tender, then slice it thin enough to roll up with that creamy cheddar. The process might sound intimidating, but I've broken it down into clear, foolproof steps that even beginner cooks can master. By the time you're done, you'll have perfectly roasted beef with tender, juicy slices that practically melt in your mouth. The cheddar cheese melts into a creamy, stretchy blanket that holds everything together in that classic Arby's roll. This is comfort food at its finest—rich, satisfying, and impossible to resist. Serve with classic sides like crispy fries, tangy pickles, or creamy coleslaw for the full Arby's experience. Let's get started on recreating this sandwich magic at home!

Ingredients for arby roast beef cheddar

Fourteen simple ingredients transform into restaurant-quality Arby's sandwiches at home.

The beef is everything here—top round roast is the secret for that signature tenderness. Grab the center-cut from Costco or your local butcher—it's more expensive but worth it for that melt-in-your-mouth texture. Look for good marbling and ask for it to be trimmed of excess fat. The dry rub? Just mustard, garlic, onion, salt, and pepper—no fancy spices needed. Trust me, this combo is what gives it that classic Arby's flavor. If you can't find center-cut, top sirloin roast works in a pinch, but it'll be slightly less tender.

No sharp cheddar? Monterey Jack stretches well too, though it won't be as tangy. The American cheese is non-negotiable for that classic Arby's gooeyness—Kraft Singles work fine. Short on butter? Olive oil or margarine in a pinch, but butter gives the best flavor. The horseradish is optional but adds that little kick that makes it taste just like the real deal. For the rolls, Potato bread or brioche both work if you want to get fancy. Just make sure they're soft enough to hold all that melted cheese without falling apart. Pro tip: Toast the rolls lightly before assembling—they'll stay fresher longer.

This beef keeps beautifully—3-4 days in the fridge wrapped tightly in foil. Slice it thinly against the grain for that perfect sandwich texture. The cheese spread? Make it ahead and store it in the fridge for up to 5 days. I always double the recipe because leftovers make amazing sandwiches the next day. Freeze the extra beef slices for up to 3 months—just thaw overnight in the fridge before using. And if you're making this for a crowd, double the dry rub and cheese spread. You'll thank me later when you're not scrambling to make more.

Step-by-step instructions for slow-sliced Arby's-style roast beef

Here's how to recreate that iconic sandwich—tender beef, perfect cheese blend, and all the magic in between.

Start by trimming any excess fat from the 2 lb Top Round Roast Beef—you want about ¼-inch thickness. This center-cut roast is lean but tender when sliced thin. Pat it dry with paper towels to help the seasoning stick and the crust develop.

In a small bowl, mix together the 2 tbsp Yellow Mustard, 1 tbsp Granulated Garlic, 1 tbsp Granulated Onion, 1 tsp Ground Black Pepper, and 1 tsp Coarse Kosher Salt. Rub this mixture all over the beef, pressing it into the surface. Let it sit at room temperature for 30 minutes—this helps the seasoning penetrate and the meat cook evenly.

Preheat your oven to 325°F. Place the seasoned beef on a wire rack set inside a roasting pan (this allows air circulation for even cooking). Roast for 2 to 2.5 hours, checking the internal temperature with a meat thermometer. You're aiming for 130-135°F—this is lower than usual because the beef will continue cooking as it rests and slices.

Here's the thing—don't overcook it. The beef should look dark red in the center and feel tender when pressed gently with your fingers. If it starts to dry out, tent it loosely with foil for the last 30 minutes of cooking.

Remove the beef from the oven and let it rest for 10 minutes (this is crucial for juicy slices). While it rests, heat 2 tbsp Vegetable Oil in a large skillet over medium-high heat. The oil should shimmer but not smoke.

Slice the beef paper-thin against the grain (about ⅛-inch slices). Working in batches, sear the slices for 30-45 seconds per side until they develop a light crust. This quick sear adds flavor and keeps the slices tender. Transfer the sliced beef to a plate and keep it warm.

In a small saucepan, melt the 0.5 cup Unsalted Butter over low heat. Once melted, reduce heat to lowest setting and stir in the 8 oz Sharp Cheddar Cheese and 4 oz White American Cheese until fully melted and smooth. Remove from heat and whisk in the 2 tbsp Mayonnaise and 1 tbsp Horseradish until combined.

The cheese spread should be creamy but not runny—if it's too thick, add 1 tsp of hot water to loosen it. Taste and adjust seasoning with salt or pepper if needed. This blend is what makes Arby's signature cheese so addictive.

Lightly toast the 4 whole White Bread Rolls if desired (I like them slightly warm). Spread a generous layer of the cheese spread on each roll. Layer 4-5 slices of the sliced beef on each roll, slightly overlapping them for that classic Arby's look.

Press down gently to help the cheese melt slightly into the beef. For extra authenticity, add a few extra slices of Sharp Cheddar Cheese on top before serving. Serve immediately while the beef is still warm and the cheese is melty—this is when it tastes best!

Creative variations of this dish

BBQ Beef Twist

Swap the classic cheese spread for a tangy ½ cup BBQ sauce (I love Sweet Baby Ray's) mixed with 2 tbsp melted butter. Brush this on the beef slices before assembling, then top with ¼ cup shredded cheddar and a sprinkle of crushed potato chips for crunch. This fusion style keeps the sandwich hearty while adding smoky depth that rivals Arby's signature flavors. 🔥

Spicy Chipotle Kick

For heat lovers, add 1 tbsp adobo sauce (from canned chipotles) to the cheese spread along with ½ tsp smoked paprika. Top each sandwich with 2 tbsp pickled jalapeños for that signature Arby's tang. The chipotle adds smoky warmth while the jalapeños deliver the classic crunch and zing. Serve with extra horseradish sauce on the side for dipping.

Breakfast Version

Turn this into a breakfast sandwich by replacing the rolls with English muffins and adding 2 scrambled eggs to each. Use sharp cheddar only in the spread and fold in 1 tbsp cream cheese for extra richness. Top with crispy bacon and a sprinkle of chives for a morning meal that packs the same satisfying punch as the original. 💛

Grilled Beef Option

Skip the oven and grill the beef for a smoky twist. Season the roast as directed, then grill over indirect heat at 275°F for 2-2.5 hours until tender. Slice thinly and sear quickly on a hot grill grate for that charred flavor. The smoky notes pair perfectly with the creamy cheese spread, giving it a campfire-inspired upgrade that still feels familiar.

Vegetarian Hack

For a meatless version, use 1 lb portobello mushrooms sliced into ⅛-inch strips and marinated in 2 tbsp soy sauce, 1 tbsp balsamic vinegar, and 1 tsp garlic powder for 30 minutes. Grill or pan-sear until tender, then assemble with the cheese spread. While it won't mimic the beef exactly, the umami-rich mushrooms hold up surprisingly well in the sandwich, especially when paired with the tangy cheese and pickles.

Party Platter Style

Skip the rolls entirely and serve the sliced beef and cheese spread as a build-your-own platter. Arrange the beef on a large platter with the cheese spread in a bowl for dipping. Offer toasted baguette slices, pretzel buns, and croutons for dipping. Add pickle spears and coleslaw on the side for the full Arby's experience without the fuss of individual sandwiches. Perfect for game day or gatherings! ✨

Frequently asked questions