Mini pork pies with piccalilli

INGREDIENTS

• few dots of butter
• 600g shortcrust pastry , bought or homemade
• little flour , for dusting
• 85g dried white breadcrumbs
• 400g good Cumberland sausages (about 6)
• 200g smoked bacon lardons
• 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