Ingredients

Steps

• Season steak with pepper and rub with olive oil.
• Fry steak in a hot pan for 2 minutes per side or until desired doneness.
• Rest meat on a warm plate.
• Heat oil and butter in a pan and fry onions for 7 minutes until golden.
• Stir in cream and both mustards and cook for 4 minutes until thickened.
• Layer steak, onions, pancetta, and parsley between three slices of toast twice.
• Press the sandwich down and slice it in half to serve.