The lamb rump is an ideal portion size and lends itself to roasting or the barbeque. Several hours’ marination beforehand keeps the meat moist and juicy, as does the essential resting time.
Preheat the oven to its lowest setting. Combine all the marinade ingredients in a small ovenproof pan and heat to blood temperature, then transfer to the oven for 20 minutes. Strain, discard the solids and allow to cool completely.