Tuna Belly

Certainly! I'd be happy to help you learn about tuna belly, which is a popular food item found in restaurants in the USA.

Tuna belly, also known as toro or pork belly of the sea, is a prized cut of tuna that comes from the fish's fatty belly area. It is typically served raw as sushi or sashimi, but can also be used in other dishes such as poke bowls or tartare.

Tuna belly is known for its rich, buttery flavor and melt-in-your-mouth texture. This is due to its high fat content, which can range from 20-30% compared to traditional tuna loin, which has a fat content of around 5-10%.

This cut of tuna is considered a delicacy in Japanese cuisine and is typically more expensive than other cuts of tuna. It is often sourced from bluefin tuna, which is known for its high-quality meat. However, due to concerns over overfishing and the sustainability of bluefin tuna, some restaurants have started to use yellowfin or bigeye tuna as alternatives.

When ordering tuna belly at a restaurant, it's important to look for sustainable sources and to be mindful of portion sizes, as it is a high-calorie and high-fat food.