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Quorn Vegetarian Roast Beef Steak Sandwich

A Quorn vegetarian roast beef steak sandwich featuring Quorn Roast Beef Slices served with a side of chips.

Our veggie take on a steak sandwich. Quorn Roast Beef Style Slices, melted cheese and caramelised onions, are piled high and layered with watercress and juicy slices of tomato – perfect for an easy prep, indulgent lunch.

Add a side of fries if time is on your side, for a twist on the ultimate pub sandwich lunch.

This veggie sandwich recipe is super easy to make vegan too, just switch up the dressing to a vegan alternative!

Serves 1

11 mins


390 cals
(Per serving)

10.9g of fat

£ 2.33.00
(Per serving)

Made with Quorn Vegan Roast Beef Style Slices

High in Protein

Source of Fibre

Low in Saturated Fat


  • 2 slices Quorn Vegan Roast Beef Style Slices
  • 5 sprays low calorie spray
  • 1 small red onion, thinly sliced
  • ½ tbsp light mayonnaise
  • ½ tsp Dijon mustard
  • 1 slice of sourdough baguette
  • 1 medium tomato, sliced
  • 1 slice Gruyere cheese
  • A few watercress leaves

Serving Suggestion…(optional)

  • A side of French fries


  1. Spray a non-stick frying pan with the cooking spray. Place over a medium heat. Add the sliced red onions and sauté for 5 minutes. Remove and set to one side.
  2. Mix the mayonnaise and Dijon mustard in a ramekin.
  3. Slice the sourdough baguette in half. Spread the cut sides of the baguette with the prepared mustard mayonnaise Layer the tomato, Quorn Roast Beef Style Slices, Gruyere cheese and fried red onions into the sandwich.
  4. Pre-heat the grill and lightly toast the sandwich for 1 minute to melt the cheese.
  5. Add a few watercress leaves to the sandwich and enjoy!

Chefs tip

This recipe can be served hot or cold. You can also swap out the Quorn Roast Beef Style Slices for Quorn Yorkshire Ham Style Slices and change up the Gruyere cheese for a smoked cheese too!

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