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We put a half pound of America's favorite roast beef on this Half Pound Beef 'n Cheddar. That doesn't include the weight of the other stuff, though, but we're certain the onion bun, cheddar cheese sauce, and red ranch make it even heavier.
Arby's Half Pound Beef 'n Cheddar is priced at $9.69 and lists 730 cal, loading a full half pound of roast beef onto an onion bun, then finishing it with red ranch and Cheddar cheese sauce. Arby's points out that the half pound figure counts only the beef, so the bun and both sauces push the total weight even higher.
This is the biggest member of the Beef 'n Cheddar line, and it eats like a deli platter squeezed between two halves of a roll. The roast beef arrives in thin, loosely folded slices that stay moist, and with this much meat the beefy roast flavor leads every bite. Cheddar sauce coats the top layers in a warm, salty blanket, while the red ranch at the base adds a sweet vinegar tang that keeps the stack from tasting heavy. The onion bun is toasted, giving a firm outer edge that holds up under all that weight and a soft center that soaks up the drippings.
Visually, the sandwich stands tall. Beef spills past the bun on every side, and orange cheese sauce runs down into the wrapper. Plan on eating it at a table, not while driving, and keep a fork nearby for the beef that falls out.
The Half Pound Beef 'n Cheddar calories make it a full meal on its own, and its 49 grams of protein puts it near the top of the Arby's roast beef menu for anyone tracking protein. That kind of number appeals to lifters, construction crews on a lunch break and anyone who skipped breakfast. Sodium is high as well, a natural result of the salty beef and cheese, so this works best as an occasional big lunch.
Price wise, how does it stack up against the smaller versions? It costs more than the Double Beef 'n Cheddar at $7.69, and in return you get the largest beef portion the Beef 'n Cheddar family offers. The Half Pound Beef 'n Cheddar Meal includes fries and a drink for $14.19. Our numbers reflect a single Austin, TX restaurant, and pricing differs from town to town.
The sandwich already brings plenty of richness, so pair it with something crisp. Crinkle Fries give you a salty crunch with ridges that grab stray cheese sauce, and an Unsweet Tea keeps the drink side light against all that beef.
* Values approximate. Updated November 2026.
The home Half Pound Beef 'n Cheddar uses a full 8 ounces of deli roast beef per sandwich, warmed in a covered baking dish so four sandwiches come out hot at the same moment. A sharp and mild Cheddar blend gives the sauce more bite than a single cheese.
All steps done. Enjoy your homemade Half Pound Beef 'n Cheddar.
Serve on a big plate with crinkle cut fries and a pile of napkins, or cut each sandwich in half and share it with someone who wants a smaller portion.
A home copycat version, not Arby's official recipe.
Popular $6.29 
$7.69 
$5.29 
$6.99 At our Austin, TX benchmark store, the Half Pound Beef 'n Cheddar sells for $9.69. The combo, which adds fries and a drink, runs $14.19, and both numbers shift a bit by city.
Yes. One sandwich has 730 cal, making it the highest calorie option in the Beef 'n Cheddar line, above the Double at 630 cal.
Yes, Arby's says it puts a half pound of roast beef on the sandwich. That weight counts the beef only, so the bun and both sauces add more on top.
The sandwich has 49 grams of protein. For comparison, the Half Pound Roast Beef has 48 grams without the cheese sauce.
Arby's lists four parts: an onion bun, roast beef, red ranch and Cheddar cheese sauce. It uses the same build as the Classic Beef 'n Cheddar, just with far more beef.
Popular $7.49 
Popular $7.99 
Popular $5.89 
Popular $10.49
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