Name: Arby's Beef and Cheddar Sandwich Recipe
Prep time: 5 min
Cook time: 15 min
Total time: 20 min
Cuisine: American
Ingredients: 1/2 cup ketchup; 1 tablespoon apple cider vinegar; 1 tablespoon light brown sugar; 1/2 teaspoon paprika; 1/4 teaspoon garlic powder; 1/4 teaspoon onion powder; 1/8 teaspoon cayenne pepper; 1/8 teaspoon kosher salt; 2 cups low-sodium beef broth; 16 ounces thinly sliced deli roast beef; 1 cup nacho cheese sauce; 4 onion burger buns; Arby's sauce (prepared from above recipe or store-bought); Arby's curly fries (for serving, optional)

Jump to Recipe· 3.9 from 9 reviews

I have to tell you about this Arby's Beef and Cheddar Sandwich Recipe that I absolutely adore. It’s one of those comforting indulgences that tastes like it took forever to prepare but is actually pretty simple. Juicy, thinly sliced roast beef soaked in savory broth, topped with gooey warm nacho cheese, all piled onto a soft, slightly sweet onion bun with a tangy homemade sauce that ties everything together. This recipe brings the iconic flavors of Arby's right into my kitchen, and honestly, it’s quickly become a favorite for any casual lunch or fun dinner at home.

Why You'll Love This Arby's Beef and Cheddar Sandwich Recipe

What really excites me about this Arby's Beef and Cheddar Sandwich Recipe is the combination of flavors working in perfect harmony. The roast beef is tender and juicy thanks to the gentle soak in beef broth, which keeps every bite moist and full of that rich, meaty goodness. The nacho cheese sauce is creamy and slightly sharp, adding a beautiful gooey texture that contrasts wonderfully with the soft onion bun. Then there's the homemade Arby's-style sauce that has a zesty tang and just the right hint of sweetness and spice to make the sandwich feel special and unique.

Beyond the flavor, I love how approachable this recipe is for anyone short on time but wanting something satisfying and flavorful. With just a handful of simple ingredients mostly sitting in your pantry and fridge, you can pull this together in about 20 minutes—which feels like a win on busy weeknights or casual weekends. Plus, it's a perfect crowd-pleaser whether you're entertaining friends or just craving a nostalgic fast-food style treat at home. I also find it cool that you can serve it simply as is or dress it up with sides like curly fries or a crisp salad. This sandwich really stands out by delivering that classic Arby's experience with the homemade touch that makes all the difference.

Ingredients You'll Need

The image shows two side-by-side views of cooking ingredients on a wooden surface. On the left side, there is a white bowl filled with a thick red sauce with a silver spoon inside. Surrounding the bowl, there are small clear glass bowls, some containing white powdery ingredients. On the right side, there is a black pan filled with several thin slices of brownish-pink cooked meat, covered in a dark brown sauce. Next to the pan, there is a white plate with more slices of meat partly covered by parchment paper. Above the pan, there is a small white bowl filled with yellow mustard. Below the pan, part of a white bread roll is visible. The background is a wooden surface now imagined as white marble for your prompt. photo taken with an iphone --ar 4:5 --v 7

To make this classic sandwich, you'll want to gather a few essential, straightforward ingredients. Each contributes its own role: the ketchup base spices the sauce, the beef broth soaks and heats the roast beef flawlessly, and the nacho cheese delivers that irresistible melty finish. Together, they create a beautifully balanced flavor and texture that’s simple yet deeply satisfying.

Ketchup: Forms the delicious base of the tangy Arby's-style sauce.
Apple cider vinegar: Adds a subtle tartness that brightens the sauce.
Light brown sugar: Balances the tang with just a hint of sweetness.
Paprika: Brings a gentle smoky warmth to the sauce.
Garlic powder: Gives a mild savory kick that enhances flavor depth.
Onion powder: Adds sweetness and a touch of bite without overpowering.
Cayenne pepper: Just a pinch to gently lift the sauce’s spice level.
Kosher salt: Essential to enhance and balance the overall flavor.
Low-sodium beef broth: Softens and warms the roast beef while adding richness.
Thinly sliced deli roast beef: The star protein, delicate and juicy after soaking in broth.
Nacho cheese sauce: Creamy and melty for that classic cheddar experience.
Onion burger buns: Slightly sweet and soft, perfect for holding all the fillings.
Arby’s sauce: This homemade mixture or store-bought sauce rounds out the flavors beautifully.
Arby’s curly fries (optional): A perfect crunchy side to serve alongside.

Directions

Step 1: In a medium bowl, whisk together the ketchup, apple cider vinegar, light brown sugar, paprika, garlic powder, onion powder, cayenne pepper, and kosher salt until smooth and fully combined. Set this flavorful Arby’s sauce aside for later.

Step 2: Pour the low-sodium beef broth into a medium saucepan and gently bring it to a simmer over low to medium heat. It’s important not to rush this step so the broth heats evenly and stays clear.

Step 3: Slowly add about half of your thinly sliced deli roast beef, one slice at a time, to the simmering broth. Let each slice soak for a couple of minutes until warmed through and tender. This careful warming helps the beef stay juicy and prevents it from getting tough or rubbery.

Step 4: While the beef is warming, place the nacho cheese sauce in a microwave-safe bowl. Heat it in 10-second bursts, stirring in between, until it’s warm and perfectly gooey. Set this aside as well.

Step 5: Once the beef slices are warmed, transfer them to the onion buns. If you prefer, give the buns a light toasting or warming to enhance their softness and aroma before assembling.

Step 6: Repeat warming the remaining beef slices in the broth, then remove the pot from heat.

Step 7: Top each sandwich generously with warm nacho cheese sauce and a spoonful of the prepared Arby’s sauce. Adjust the amount of sauce to your liking—some like it saucier, others prefer just a hint.

Step 8: Serve your sandwiches hot right away, ideally paired with crispy Arby’s curly fries for that authentic fast-food experience in your own home.

Servings and Timing

This Arby's Beef and Cheddar Sandwich Recipe makes about 4 hearty servings, perfect for a small group or family meal. It takes roughly 10 minutes to prep all your ingredients and about 10 minutes to cook and assemble the sandwiches, so the total time commitment is around 20 minutes. There’s no resting or cooling time needed here—these sandwiches are best enjoyed fresh and warm for that satisfying melt-in-your-mouth experience.

How to Serve This Arby's Beef and Cheddar Sandwich Recipe

The image shows two side-by-side views of making a roast beef sandwich on a wooden cutting board. On the left side, the sandwich is open with two layers of soft yellow bread on the top and bottom, and a thick layer of thinly sliced roast beef in the middle. A woman's hand holds a knife placing the roast beef on the bread. On the right side, the sandwich has three layers: the bottom yellow bread with a spread of red sauce, the middle layer of roast beef, and a top layer of melted bright yellow cheese being spread with a spoon held by a woman's hand. Around the cutting board, there are small white bowls with red sauce and yellow cheese sauce, a black bowl filled with more roast beef slices, and some more pieces of bread. The background is a white marbled texture. photo taken with an iphone --ar 4:5 --v 7

When I serve this sandwich, I like to keep things simple but fun. Pairing it with Arby’s curly fries is the classic go-to; their crunchy, salty spirals complement the soft, rich sandwich perfectly. If you want to add a fresher note, a crisp coleslaw or a tangy pickle on the side works wonders alongside the richness.

I find warm sandwiches taste best served hot off the stove with the cheese still melty and the beef tender and juicy. For presentation, I like to stack the sandwich tall so you can see the layers of beef, cheese, and sauce peek out. Wrapping them loosely in parchment paper works great if you’re serving at a casual gathering or party.

This recipe truly shines for casual family dinners, game day snacks, or weekend lunches when you want something quick but special. You can easily scale it up for guests or keep it as an everyday treat. Serving 1 sandwich per person feels just right, but if everyone is super hungry, these are sturdy enough to eat two!

Variations

One of my favorite things about the Arby's Beef and Cheddar Sandwich Recipe is how flexible it is. For example, if you want to switch up the protein, you can try thinly sliced turkey or even roast chicken, though it won’t have quite the same rich beefy flavor. If you’re gluten-free, just swap the onion buns for your favorite gluten-free bread or sandwich rolls—you might even enjoy it wrapped in lettuce for a low-carb twist.

For a different cheese experience, try pepper jack or a spicy cheddar instead of nacho cheese for an extra kick. If you want to play with the sauce, adding a little smoky chipotle powder or swapping apple cider vinegar for balsamic can change up the tang profile and intrigue your taste buds. Cooking methods can vary too—grilling the assembled sandwich briefly to melt the cheese and toast the buns adds a deliciously crispy finish.

Vegetarian friends can enjoy a version by replacing the roast beef with marinated grilled mushrooms or seitan, and using a plant-based cheese sauce. I love experimenting with spice levels as well, so feel free to adjust the cayenne or add hot sauce directly to the beef broth for those who crave heat.

Storage and Reheating

Storing Leftovers

If you have any leftover sandwiches, I recommend wrapping them tightly in plastic wrap or foil and storing them in an airtight container in the refrigerator. They will keep well for about 2 days. Because of the soft buns and melted cheese, it’s best to consume leftovers fairly quickly to avoid sogginess and loss of texture.

Freezing

This recipe isn’t ideal for freezing once fully assembled because the buns and cheese sauce don’t hold up well after thawing. However, you could freeze the plain roast beef slices and the prepared sauce separately in airtight containers for up to 3 months, then reheat and assemble fresh when ready to eat.

Reheating

When reheating leftovers, I find the best method is to unwrap the sandwich and heat the beef and cheese separately in a small saucepan or microwave, then quickly toast the buns under a broiler or in a hot pan. This keeps the bread from getting too soggy and helps restore some of the sandwich’s original texture and flavor. Avoid reheating fully assembled sandwiches in the microwave as the buns tend to get chewy and the cheese separates.

FAQs

Can I use pre-cooked roast beef instead of deli slices in the Arby's Beef and Cheddar Sandwich Recipe?

Absolutely! Thinly sliced pre-cooked roast beef can work well as long as you slice it thinly to ensure it warms quickly and soaks up that flavorful broth for tenderness. Just be mindful of cooking time so the beef doesn’t dry out.

Is there a good vegetarian substitute for the roast beef in this recipe?

Yes! Thickly sliced portobello mushrooms or marinated seitan are popular vegetarian alternatives that can soak up the broth just like the beef. Pair with a vegan nacho cheese sauce to keep things plant-based and delicious.

Can I make the Arby's sauce ahead of time?

Definitely. The sauce can be mixed and stored in the fridge for up to a week, which makes weeknight sandwich assembly even faster. Just give it a quick stir before using if it separates slightly.

What’s the best way to get the nacho cheese sauce perfect every time?

Heat the cheese sauce slowly in short increments—about 10 seconds in the microwave at a time—stirring well between each burst. This prevents overheating and helps keep it smooth and creamy.

Are onion buns necessary for this recipe?

Onion buns add a slightly sweet, savory note that goes wonderfully with the beef and cheese, but you can absolutely substitute with regular hamburger buns, brioche, or even sandwich rolls if you prefer. Just pick something soft that holds up well to the saucy ingredients!

Conclusion

I hope you’ve enjoyed learning about my beloved Arby's Beef and Cheddar Sandwich Recipe. It’s a fantastic way to bring that nostalgic, comforting fast-food flavor right into your own kitchen without any hassle. Whether you’re looking for a quick meal or something to impress friends, this recipe delivers all the rich, saucy goodness we crave. Give it a try—you just might find it becoming a staple in your rotation like it did for me!