2 bulbs garlic, halved
1 lemon, halved
large bunch lemon thyme
750ml/1β…“ pint good-quality chicken stock
2 tsp plain flour
sea salt and black pepper
150²µ/5Β½΄Η³ϊ butter, softened
100²µ/3Β½΄Η³ϊ butter, melted, for basting
2.5kg/5lb 8oz free-range whole chicken, giblets removed
75g/2Β½oz day-old brioche crumbs