What is Ricotta Cheese?
Ricotta is an Italian dairy product widely used in dishes like lasagna, cannoli, and various pasta fillings. Unlike many other cheeses, which are made from the milk's solid curds, traditional ricotta is made from whey, the liquid left over from producing other cheeses such as provolone and mozzarella. The Italian word ricotta literally means "recooked," a direct reference to this secondary heating process.
The Animal Origin of Ricotta
Because ricotta is a dairy product derived from milk, it is unequivocally animal-based. The milk can come from several different dairy animals, influencing the final product's flavor and texture.
- Cow's milk: The most common variety in the United States, cow's milk ricotta is known for its mild flavor and creamy texture.
- Sheep's milk: Common in regions like Sicily and Sardinia, sheep's milk ricotta offers a more pronounced, herbaceous flavor.
- Goat's milk: A less common but growing variety, goat's milk ricotta has a distinctive, tangy flavor and exceptionally light texture.
- Water buffalo's milk: Produced in areas like Campania, water buffalo milk ricotta is known for its high fat content and rich, creamy texture.
The Traditional vs. Modern Production Process
The production method for ricotta also speaks to its animal origin and its distinction from other cheeses.
Traditional Production
- Whey Collection: Cheesemakers first produce a solid cheese (like mozzarella) and are left with the liquid whey.
- Heating: The whey is then heated to a high temperature, causing the remaining milk proteins, primarily albumin and globulin, to coagulate and form fluffy curds.
- Straining: The delicate curds are collected in small perforated baskets and allowed to drain, creating the soft, creamy ricotta.
Modern Commercial Production
In modern production, especially in the U.S., cheesemakers often simplify the process by starting with whole milk instead of leftover whey, though the fundamental process of coagulation and straining remains the same. Some commercial producers may also use rennet, an enzyme derived from animals, to assist with the curdling process, while others use vegetarian-friendly, acid-based coagulants.
Ricotta vs. Plant-Based Alternatives
For those adhering to a vegan diet, traditional ricotta is off-limits. However, a variety of plant-based alternatives have emerged to provide a similar texture and flavor. The table below compares animal-based ricotta with some common vegan substitutes.
| Feature | Animal-Based Ricotta | Tofu Ricotta | Cashew Ricotta | 
|---|---|---|---|
| Primary Ingredient | Milk whey from cows, sheep, or goats | Extra-firm tofu | Soaked cashews | 
| Dietary Compatibility | Animal-based, vegetarian (if coagulant is not animal-derived) | Vegan, plant-based | Vegan, plant-based | 
| Flavor Profile | Mild, slightly sweet, and milky | Bland base, flavored with nutritional yeast, garlic, and herbs | Creamy, nutty, and rich | 
| Texture | Soft, moist, and grainy | Firm, crumbly, and can be pulsed to desired consistency | Creamy and smooth when blended, can be thicker | 
| Nutritional Profile | High in protein and calcium | Good source of plant-based protein | Healthy fats, vitamins, and minerals | 
Is Ricotta Vegetarian?
The question of whether ricotta is vegetarian depends entirely on the coagulant used in its production. Most commercially available ricotta in the U.S. is vegetarian-friendly, using citric acid or other plant-based coagulants. However, some producers, especially those following traditional methods, may use animal-derived rennet. For vegetarians, it's crucial to check the ingredient list or contact the manufacturer to confirm the coagulant source. The Vegetarian Society offers a helpful list of suitable cheeses.
Conclusion
In summary, traditional ricotta cheese is an animal-based dairy product derived from the whey of cow, sheep, or goat milk. While it is not suitable for a vegan diet, most commercially produced ricotta is vegetarian, provided it is made without animal-derived rennet. For those seeking a completely plant-based alternative, options like tofu or cashew ricotta offer similar textures and applications in cooking. Understanding ricotta's origin and production process is key to making informed dietary choices.