What is rennet?
Rennet is step # 1 in how to make cheese. Rennet is an enzyme that causes cheese to coagulate, encouraging the proteins in milk to clump together and form a solid curd while releasing liquid whey. Rennet is one of four ingredients in rennet cheese, along with milk, salt, and a starter culture of bacteria or mold that's designed to turn lactose into lactic acid.
What is liquid rennet?
Liquid rennet is rennet in fluid form.
What are the pros and cons of liquid rennet?
Liquid rennet is easy to measure precisely, which is important in small-batch cheese production and when making cheese at home. The shelf life of liquid rennet is not as long as powdered rennet or rennet in tablet form. And liquid rennet has preservatives that cause some cheesemakers to prefer rennet in other forms.