Casu martzu

Casu Marzu

A wheel of Casu Marzu cheese

Casu Marzu is a traditional Sardinian cheese that is known for its unique production process involving the intentional introduction of live insect larvae. The name "Casu Marzu" literally translates to "rotten cheese" in the Sardinian language. This cheese is renowned for its strong flavor and distinctive texture, which is achieved through the fermentation process facilitated by the larvae of the cheese fly, Piophila casei.

Production Process

The production of Casu Marzu begins with the creation of a typical Pecorino cheese. Once the Pecorino is partially fermented, the cheese is left in a dark, cool place to allow the cheese fly to lay its eggs inside. The larvae hatch and begin to consume the cheese, breaking down the fats and creating a soft, creamy texture. This process of decomposition is what gives Casu Marzu its characteristic flavor and texture.

The cheese is considered ready for consumption when it has reached a certain level of decomposition, and the larvae are still present inside. It is typically served with Sardinian flatbread and a strong red wine.

Consumption and Cultural Significance

Casu Marzu is traditionally consumed at special occasions and celebrations in Sardinia. It is often seen as a delicacy and a symbol of Sardinian heritage. The cheese is usually eaten with the larvae still inside, although some people prefer to remove them before consumption.

The cheese has a strong, pungent aroma and a rich, creamy taste that is highly prized by cheese enthusiasts. However, due to its unconventional production method, Casu Marzu is not legally available in many countries.

Health and Safety Concerns

Close-up of Casu Marzu showing larvae

The consumption of Casu Marzu has raised health and safety concerns due to the presence of live larvae. There is a risk of intestinal myiasis, a condition where the larvae survive in the intestines, although this is considered rare. The European Union has banned the sale of Casu Marzu due to these health concerns, although it remains available on the black market and is still produced for personal consumption in Sardinia.

Legal Status

Casu Marzu is illegal in the European Union due to food hygiene regulations. However, it has been granted an exception as a traditional food product in Sardinia, where it is still produced and consumed. Efforts have been made to preserve the traditional methods of making Casu Marzu while ensuring it meets modern health standards.

Related Pages

• Pecorino
• Sardinian cuisine
• Cheese fly
• Intestinal myiasis