What Is Rennet?
An enzyme preparation, traditionally from calf stomachs, used to coagulate milk and separate curds from whey in cheesemaking.
What Does Rennet Taste Like?
Rennet has a none taste with none to faintly enzymatic aromas.
- Taste
- None
- Texture
- Liquid, Powder, Tablet
- Aroma
- None to faintly enzymatic
- Acidity
- N/A
Technical Metrics
Nutrition Facts
Per Trace (as per recipe)Chef’s Secret
For best coagulation, add rennet to milk that has been warmed to the correct temperature (usually 86-98°F / 30-37°C) and mixed gently to distribute evenly without vigorous stirring.
Rennet Substitutes & Ratios
The best substitute for Rennet is Lemon Juice, used at a Varies (e.g., 2 tbsp per cup milk) ratio. An acid that curdles milk for fresh cheeses like paneer or ricotta, but doesn't produce rennet-style curds.
| Substitute | Ratio | Best for |
|---|---|---|
| Lemon Juice Best | Varies (e.g., 2 tbsp per cup milk) | An acid that curdles milk for fresh cheeses like paneer or ricotta, but doesn't produce rennet-style curds. |
| Vinegar (white/apple cider) | Varies (e.g., 1-2 tbsp per cup milk) | Similar to lemon juice, provides acid for curdling, suitable for soft cheeses, not firm aged types. |
| Lactic Acid Bacteria Starter Culture | As per culture instructions | Ferments milk, producing lactic acid for coagulation, suitable for yogurt and some fresh cheeses. |
| Fig Tree Sap | Small amount (traditional) | A traditional plant-based coagulant, works enzymatically, but difficult to source and measure precisely. |
How to Choose & Store Rennet
- Choose liquid rennet for ease of use, tablets for longer shelf life.
- Specify microbial for vegetarian options.
What Pairs Well With Rennet?
- Milk
- starter cultures
- calcium chloride (for cheesemaking).
Frequently Asked Questions
What does Rennet taste like?
None None to faintly enzymatic
What is a good substitute for Rennet?
The best substitute is Lemon Juice (Varies (e.g., 2 tbsp per cup milk)). An acid that curdles milk for fresh cheeses like paneer or ricotta, but doesn't produce rennet-style curds.
How do you choose and store Rennet?
Choose liquid rennet for ease of use, tablets for longer shelf life. Specify microbial for vegetarian options.