Preheat the oven to pack instructions on the Ciabatta packet

Remove the Rump steak from the fridge - drizzle with olive oil, season and take the halved garlic clove and rub over the raw steak

In a frying pan heat a drizzle of Olive oil and fry your onions and mushroom until tender In a second frying pan, (get it really hot) and then put your rump steak straight in, you want a sizzle, cook for 2-3 minutes each side, depending on how you like it cooked.

Remove from the heat, cover with foil and leave it to rest for at least 6 minutes

Bake your Ciabatta the oven.

When baked remove and carefully slice down the middle longways, add 3 slices of mature cheddar to the top half of the Ciabatta and pop in the oven for a couple of minutes to melt (don't forget it)

Meanwhile slice your rump steak into very fine strips

On the remaining half of Ciabatta add the steak and juices from the pan , then the  onion and mushroom on top of that

Remove the other half of the Ciabatta from the oven and on the Cheese half, add the watercress & rocket and then mustard

Finally pop it together and slice into 3