Mini Pork Pies With Piccalilli (British)

few dots of butter 600g shortcrust pastry, bought or homemade little flour, for dusting 85g dried white breadcrumb 400g good Cumberland sausage (about 6) 200g smoked bacon lardon ¼ tsp each ground mace, ground pepper and dried sage 1 egg, beaten with a fork few pinches sesame seeds piccalilli, homemade or bought, to serve Heat oven to 200C/180C fan/gas 6. Line each…