Jul 14 2026
RestaurantsLost FoxRoast Beef Sandwich Recipe

Roast Beef Sandwich Recipe

Inspired by Lost Fox
Time30m
Serves2

Tender roast beef with horseradish sauce on artisan bread.

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Ingredients

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Meat

Sauce

Bread

Vegetables

Seasoning

Method

Preparation of Ingredients

  1. 1

    Prepare the Vegetables

    Wash and dry the leafy greens thoroughly. Slice the tomato into thin rounds and finely slice the red onion.

  2. 2

    Prepare the Roast Beef

    If not already sliced, slice the roast beef into thin pieces.

Making the Sauce

  1. 3

    Mix the Sauce

    In a small bowl, combine the horseradish sauce, mayonnaise, and Dijon mustard. Mix until smooth and well combined.

Assembling the Sandwich

  1. 4

    Toast the Bread (Optional)

    If desired, toast the artisan bread slices until lightly golden.

  2. 5

    Spread the Sauce

    Spread a generous amount of the horseradish sauce mixture on one side of each slice of bread.

  3. 6

    Layer the Ingredients

    On two slices of bread, layer the sliced roast beef, followed by the leafy greens, tomato slices, and red onion slices. Season with salt and pepper to taste.

  4. 7

    Complete the Sandwich

    Top with the remaining slices of bread, sauce side down, to complete the sandwich.

Serving

  1. 8

    Serve

    Cut the sandwiches in half if desired, and serve immediately with your choice of sides.

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