James, "recipe" as in materials and tying method??
Just classic,
Hook: Kamasan B175 #8 or 10
Tail; Pheasant tail cock natural
Rib; Copper wire (or coloured matching the pattern)
Body; Hares Dub (various colours, matching the pattern)
Body hackle; India Cock
1st front hackle; Hen (soft hackle)
2nd front hackle; Franch Partridge
(Optional Grey mallard fank, Cloaked style))
Thread; Uni 8/0 black (mainly)
Gr
Jan