Steak Sandwich with Spicy Relish

Prep Time: 20 mins

Cook Time: 10 Mins

Serves: 4 People


  • 4 thin cut beef steaks
  • Salt and black pepper
  • 2tsp English mustard
  • 2tbsp oil (rapeseed or vegetable)
  • Salad Leaves
  • 1-2 big tomato sliced
  • 1 Cucumber sliced
  • 4 small baguettes, Focaccia or ciabatta breads

For the Caramelised Onions and Mushrooms

  • 1 medium onion peeled and finely sliced
  • 200g mushrooms, sliced
  • 1tsp sugar
  • 2tbsp good balsamic vinegar

For the Spicy Relish

  • 2tbsp tomato Ketchup
  • 2tbsp sweet chilli sauce or similar
  • 2tbsp Mayo


  • Remove the steaks from the fridge at least 20 mins before cooking.


  • Brush the steaks with 2tsp for the oil on sides, season and brush with mustard all over.  Cover and leave to one side.


  • To cook the caramelised veg, heat the remaining oil in a large non-stick pan and cook the onions and mushrooms for 4-5 mins under a low heat until soft.  Add the sugar and balsamic vinegar.  Cook for a further 5 mins until slightly caramelised.  Remove from the heat and transfer the mixture to a small bowl.


  • Meanwhile to prepare the relish, in a small bowl mix together all the ingredients together and set aside.  If you prefer a bit more of a fiery sauce, stir through some dried chilli flakes.


  • Return the same non-stick pan and heat until hot.  Cook the steaks for the 2-3 mins on each side (for Medium), Serve with rolls, fries or wedges and extra relish.

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