Seal the sirloin all over including the ends. Set aside in the roasting tin. Preheat the oven to 220C/200C Fan/Gas 7. Meanwhile mix together the mustard, salt and pepper and rub all over the sirloin.
This decadent sirloin steak ciabatta also contains sticky bacon ... To sterilise the jars, preheat the oven to 110C/100C Fan/Gas ¼. Wash the jars in hot, soapy water, rinse thoroughly, then ...