Processed
Lamb Rennet
A tier
Lamb rennet is extracted from the abomasum of suckling lambs and is the traditional coagulant for several Mediterranean sheep-milk cheeses. It often arrives as a paste that still carries lipase from the stomach lining, so the curd picks up a piquant, sheepy sharpness that a purified calf extract will not give. Pecorino-style and some Greek and Balkan cheeses are built on that extra lipolysis. The paste is rustic: strength varies, and a heavy hand makes a soapy, over-sharp cheese. Dilute and dose by a test vat, not by folklore alone. It is not a neutral stand-in for calf rennet in a mild cheddar. Keep it cold and use it as a flavour coagulant, not just a set.
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History
Shepherd cheesemakers around the Mediterranean set sheep milk with lamb stomach preparations.
Italian pecorino makers kept lamb-rennet paste as a flavour as well as a coagulant.
Commercial lamb-rennet pastes standardised strength for industrial pecorino and feta-style vats.
Farmhouse sheep-milk revival restored demand for lipase-active lamb paste.