Quick Answer
Animal rennet is derived from the stomach lining of young animals and has a strong, quick coagulation effect, while vegetable rennet is derived from plants and has a slower coagulation effect, making it suitable for soft cheeses. Animal rennet can be expensive and difficult to obtain, while vegetable rennet is more widely available and cost-effective.
Choosing the Right Rennet for Off-Grid Cheese Making
For off-grid cheese making, selecting the right type of rennet is crucial. Animal rennet is often preferred for its strong coagulation properties, allowing for the production of firm, aged cheeses like cheddar or parmesan. However, it can be expensive and difficult to obtain in remote areas, making it less suitable for off-grid cheese makers.
Vegetable Rennet: A Viable Alternative
Vegetable rennet, on the other hand, is a cost-effective and widely available option. It is derived from plants such as cardoon thistle or nettle and can be used to produce a variety of cheeses, including soft-ripened and semi-soft cheeses like brie or mozzarella. To use vegetable rennet, mix 1/4 teaspoon of rennet powder with 1 cup of water to create a rennet solution. Add the rennet solution to the milk at a rate of 1/4 teaspoon per gallon, and stir gently to distribute evenly.
Tips for Working with Vegetable Rennet
When working with vegetable rennet, it’s essential to note that it may require a slightly longer coagulation time than animal rennet. To achieve optimal results, monitor the milk closely and adjust the temperature and coagulation time as needed. For example, to make a soft-ripened cheese like brie, heat the milk to 86°F (30°C) and hold at that temperature for 45 minutes to allow the rennet to work. Then, allow the cheese to age at room temperature (around 68°F or 20°C) for several hours or overnight to develop its characteristic flavor and texture.
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