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The Roast Beef Sandwich is a classic American sandwich made popular by diners and chain restaurants such as Arby’s. This homemade sandwich is so delicious and fairly simple, made with slices of meaty roast beef, veggies, sauces and melted cheese. You can customize it with all your favorite toppings and can be eaten hot or cold.
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Easy Roast Beef Sandwich Recipe

The Roast Beef Sandwich is a classic American sandwich made popular by diners and chain restaurants such as Arby’s. This homemade sandwich is so delicious and fairly simple, made with slices of meaty roast beef, veggies, sauces and melted cheese. You can customize it with all your favorite toppings and can be eaten hot or cold.
Prep Time10 minutes
Cook Time20 minutes
Total Time30 minutes
Course: Dinner, Lunch, Main Course
Cuisine: American
Keyword: Roast Beef Sandwich
Servings: 6
Author: Izzy

Equipment

Ingredients

Toppings

  • 1 red onion sliced into rings
  • 2 teaspoons olive oil
  • 1 tablespoon balsamic vinegar

Arby’s Sauce

  • 2 tablespoons creamed horseradish or 1 tablespoon freshly grated horseradish
  • ¾ cup mayonnaise see note
  • ¾ cup sour cream see note
  • 2 tablespoons mustard Dijon or yellow

For the Sandwich

  • 6 kaiser rolls or similar buns
  • 1 pound roast beef sliced
  • 6 slices provolone cheese or Swiss cheese
  • 1 cup arugula or microgreens
  • 1 large tomato sliced
  • salt and pepper to taste

Instructions

  • Saute the Onions (You can skep this step if you prefer to use raw onions): Place a large skillet over medium heat. Add the oil and onions. Sauté for 10 to 12 minutes stirring regularly, adding the balsamic vinegar halfway through. Once the onions are nicely brown and caramelized, remove from heat.
  • Make the Sauce: In a medium bowl, mix together the horseradish, mayo, sour cream and mustard. Set aside.
  • Prepare to Assemble: Set up an assembly station by laying out the roast beef, cheese slices, arugula, sliced tomato, onions, sauce and buns.
  • Toast the Buns: Preheat the oven or griddle to 350°F. Brush the buns lightly with olive oil. Then put them in the hot oven or griddle for 2 to 3 minutes.
  • Assembly: Spread the horseradish cream sauce onto the bottom buns. Sprinkle on some arugula or greens. Add several slices of roast beef followed by some salt and pepper. Layer on the caramelized onions, cheese, tomatoes and a few more greens. Add the tops of the buns and serve.

Notes

  • Onions: If you are in a rush, you can skip sauteeing the onions and put them on raw.
  • Mayo: Use real mayo instead of whipped topping for the best taste. For a lighter option, you can use light mayo.
  • Sour Cream: You can use light sour cream for a lighter option.