Using paramedic shears, snip through the customary ritual infibulatory sutures;
Using an oversized corkscrew with vigorous elbow action, eviscerate through the aperture thus obtained;
Set aside the abomasum and secondary hepatic plexi for a nourishing soup.
Boil for sixteen hours in its own blood.
Flay by ablation (the conscientious chef will of course keep an industrial belt-sander to hand).
Using a nine-inch boning knife, despatch the McFroogle:
Insert knife into its primary neurotic cortex (a mallet may be useful at this point);
Apply 450V three-phase to (respectively and simultaneously) the optical reticulum, cortex via the knife, and cloaca. Avoid reflexive eversion of neurotoxic spines as skin contact may cause irritation.
Strike repeatedly with weighted implement.
Place in weighted metal dustbin out of hearing-range of customers until death-spasms subside and rigor mortis is evident (no corneal nictation on application of boiling water)
Wipe off superfluous mucilage, place between fresh wholemeal buns. Garnish with parsley.