Get ready to elevate your barbecue game with this mouthwatering barbecued roast beef on a bun recipe. Perfect for a summer cookout or a cozy family dinner, this dish combines the smoky flavors of grilled roast beef with the tangy sweetness of barbecue sauce, all nestled in a perfectly toasted bun. It's a simple yet delicious way to enjoy a classic favorite.
For this recipe, you will need roast beef sliced thin, which you can find at your local deli or supermarket. Make sure to choose a high-quality cut for the best flavor. Additionally, you'll need buns to hold the delicious beef and barbecue sauce to add that signature smoky sweetness. These ingredients are typically easy to find, but ensure you pick a barbecue sauce that suits your taste preferences.

Ingredients For Barbecued Roast Beef On A Bun
Roast beef: Thinly sliced roast beef is the star of this recipe, providing a tender and flavorful base for the sandwich.
Buns: Choose your favorite type of bun, whether it's a classic hamburger bun, a brioche bun, or even a whole wheat option.
Barbecue sauce: This adds a tangy, smoky sweetness to the sandwich. You can use store-bought or homemade barbecue sauce, depending on your preference.
Technique Tip for This Recipe
To enhance the flavor of your roast beef, consider marinating it in a mixture of barbecue sauce and a splash of apple cider vinegar for at least an hour before grilling. This will not only add depth to the taste but also help to tenderize the meat. When grilling, make sure to keep a close eye on the roast beef slices to avoid overcooking, as they are thin and can dry out quickly. For an extra layer of flavor, you can also brush the buns with a bit of melted butter or garlic butter before toasting them on the grill.
Suggested Side Dishes
Alternative Ingredients
sliced thin roast beef - Substitute with sliced turkey breast: Turkey breast provides a similar texture and can absorb the barbecue sauce well, making it a good alternative for those who prefer poultry.
sliced thin roast beef - Substitute with portobello mushrooms: For a vegetarian option, portobello mushrooms offer a meaty texture and can be marinated in barbecue sauce to mimic the flavor profile of roast beef.
buns - Substitute with whole wheat buns: Whole wheat buns add more fiber and nutrients, making the meal slightly healthier while maintaining the structure needed for a sandwich.
buns - Substitute with lettuce wraps: For a low-carb option, lettuce wraps provide a fresh and crunchy alternative to traditional buns.
barbecue sauce - Substitute with teriyaki sauce: Teriyaki sauce offers a different but equally delicious flavor profile, adding a sweet and savory twist to the dish.
barbecue sauce - Substitute with homemade tomato sauce: For a less sugary option, homemade tomato sauce can be seasoned to taste and provides a fresh, tangy alternative.
Other Alternative Recipes Similar to This Dish
How to Store or Freeze This Recipe
- Allow the roast beef to cool completely before storing. This helps prevent condensation, which can make the meat soggy.
- Use airtight containers or heavy-duty aluminum foil to wrap the roast beef. This will keep it fresh and prevent it from absorbing any unwanted odors from the fridge.
- Store the roast beef in the refrigerator for up to 3-4 days. For longer storage, consider freezing.
- To freeze, place the roast beef slices in a single layer on a baking sheet lined with parchment paper. Freeze until solid, then transfer to a freezer-safe bag or container. This method prevents the slices from sticking together.
- Label the containers with the date to keep track of freshness.
- When ready to use, thaw the roast beef in the refrigerator overnight. Avoid thawing at room temperature to prevent bacterial growth.
- Reheat the roast beef slices on the grill or in a skillet over medium heat until warmed through. This helps retain the smoky flavor.
- For the buns, store them in a bread box or a resealable plastic bag at room temperature for up to 2 days. For longer storage, freeze them in a freezer-safe bag.
- To refresh frozen buns, thaw at room temperature and then toast on the grill or in the oven for a few minutes to restore their texture.
- Keep the barbecue sauce in an airtight container in the refrigerator. It will stay fresh for up to a week. Stir well before using.
How to Reheat Leftovers
- Preheat your oven to 350°F. Wrap the roast beef sandwiches in aluminum foil to retain moisture. Place them on a baking sheet and heat for about 10-15 minutes or until warmed through.
- For a quicker method, use a microwave. Place the roast beef sandwich on a microwave-safe plate. Cover it with a damp paper towel to prevent the bread from drying out. Heat on medium power for 1-2 minutes, checking halfway through.
- If you have a toaster oven, preheat it to 350°F. Wrap the roast beef sandwiches in foil and place them inside. Heat for about 10 minutes or until the roast beef is warm and the buns are toasty.
- For a stovetop method, use a skillet over medium heat. Wrap the roast beef sandwiches in foil and place them in the skillet. Cover with a lid and heat for about 5-7 minutes, flipping halfway through.
- If you prefer a crispy bun, separate the roast beef from the buns. Heat the roast beef slices in a skillet over medium heat for 2-3 minutes. Toast the buns separately in a toaster or on a skillet until golden brown. Reassemble the sandwich and enjoy.
Best Tools for This Recipe
Grill: Used to cook the roast beef slices and toast the buns, providing a smoky flavor and charred texture.
Tongs: Essential for flipping the roast beef slices and handling the buns without burning your hands.
Basting brush: Useful for applying barbecue sauce evenly on the roast beef slices.
Grill spatula: Handy for lifting and moving the roast beef slices and buns on the grill.
Cutting board: Provides a clean surface to place the grilled roast beef slices before assembling the sandwiches.
Knife: Necessary for slicing the roast beef thinly if it isn't pre-sliced.
Meat thermometer: Helps ensure the roast beef is cooked to the desired temperature.
Serving platter: Used to arrange the assembled sandwiches before serving.
Oven mitts: Protects your hands from the heat when handling hot grill components.
Bowl: Holds the barbecue sauce for easy access while grilling.
How to Save Time on This Recipe
Pre-slice the roast beef: Buy pre-sliced roast beef from the deli to save time on slicing.
Use store-bought barbecue sauce: Opt for a high-quality barbecue sauce from the store instead of making your own.
Preheat the grill: Start preheating the grill while you gather your ingredients to save time.
Toast buns together: Toast all buns at once on the grill to speed up the process.
Assemble quickly: Lay out all components in an assembly line to put together the sandwiches efficiently.

Barbecued Roast Beef on a Bun
Ingredients
Main Ingredients
- 1 lb Roast Beef sliced thin
- 4 Buns
- 1 cup Barbecue Sauce
Instructions
- Preheat the grill to medium-high heat.
- Grill the roast beef slices for about 2-3 minutes on each side.
- Toast the buns on the grill for about 1 minute.
- Assemble the sandwiches by placing the grilled roast beef on the buns and topping with barbecue sauce.
Nutritional Value
Keywords
Suggested Appetizers and Desserts for This Recipe
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