Roast Beef Sandwich

Name: Roast Beef Sandwich
Prep time: 5 min
Cook time: 10 min
Total time: 15 min
Yield: 3 serving
Ingredients: 3 tablespoons unsalted butter; 2 1/2 tablespoons all purpose flour; 1 1/4 cups milk; 1 1/2 teaspoons Dijon mustard; 1/2 teaspoon salt; 6 ounces shredded sharp cheddar cheese; 1 recipe easy roast beef, thinly sliced; 3 sesame topped burger buns

User Reviews

4.9

30 reviews

Excellent

Prep Time
5 mins
Cook Time
5 mins
Total Time
15 mins
Servings
3
Course
Main Course, Lunch, Dinner
Cuisine
American

Roast Beef Sandwich

Joelle Cantu

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Our Roast Beef Sandwich Recipe is inspired by Arby's roast beef and cheddar sandwiches! They're piled high with thin slices of our Homemade Roast Beef, then smothered in our super decadent cheddar cheese sauce and finished between a soft sesame bun.

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Ingredients

Servings

cheddar cheese sauce

3 tablespoons unsalted butter
2 1/2 tablespoons all purpose flour
1 1/4 cups milk
1 1/2 teaspoons Dijon mustard
1/2 teaspoon salt
6 ounces shredded sharp cheddar cheese

assembly

1 recipe easy roast beef, thinly sliced
3 sesame topped burger buns

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Instructions

cheddar cheese sauce

Place a pot over medium heat and melt butter.
Once butter has melted, add flour and whisk until no lumps remain.
Whisk milk, mustard and salt into mixture and continue to whisk together until mixture is smooth and no lumps remain, and mixture has slightly thickened.
Remove mixture from heat and stir in grated cheese, small handfuls at a time, until all cheese has been added and cheese sauce is smooth.

assembly

Stack a third of the roast beef onto the bottom bun of each burger. Pour a generous amount of cheese sauce over each sandwich and gently press bun tops onto each sandwich. Serve immediately.

Notes

We use a simple sesame bun for our sandwich recipe, but you can go a fancier route by using brioche burger buns or something like everyone's favorite potato burger buns.
We also kept our roast beef sandwich simple, like the Arby's one, but it's also delicious loaded with lettuce, sliced tomatoes and sliced red onions, so feel free to load it up with your favorite sandwich fixings if that's what you prefer!