Pulse steak, breadcrumbs, garlic, salt, pepper, Worcestershire sauce, and mustard in a mini blender until combined.
Shape the mixture into a patty using your hands.
Fry the burger in olive oil until golden-brown and cooked through.
Top with Stilton and heat on low until the cheese has melted.
Assemble by placing the burger between two slices of griddled crusty bread.
Sauté potato wedges with chilli, salt, pepper, olive oil, and butter in an ovenproof pan.
Roast wedges in the oven for 15 minutes until golden and cooked through.
Serve the burger with a pile of wedges and a garnish of fresh parsley.