What is the best sushi roll in world?

The best sushi roll in the world is a matter of personal preference, as different people have different tastes. Some popular and well-regarded sushi rolls include:

- California Roll: This is a classic sushi roll that is popular worldwide. It typically contains imitation crab meat, avocado, and cucumber, and is often topped with tobiko (flying fish roe).

- Spicy Tuna Roll: This roll features spicy tuna, which is usually made with raw tuna that has been marinated in a spicy sauce. It is often combined with cucumber and avocado.

- Philadelphia Roll: This roll is similar to the California Roll but also includes salmon.

- Dragon Roll: This roll is typically made with eel, avocado, and cucumber, and is often topped with tobiko.

- Rainbow Roll: This roll features an assortment of different types of fish and seafood, such as tuna, salmon, yellowtail, and shrimp.

- Spider Roll: This roll features soft-shell crab, cucumber, and avocado.

- Tempura Roll: This roll is made with deep-fried shrimp or vegetables, and is often served with a sweet and sour sauce.

- Uni Roll: This roll features sea urchin, which is considered a delicacy in Japan.

- Otoro Roll: This roll is made with fatty tuna, which is highly prized in Japan.

- Unagi Roll: This roll features grilled eel.

It is worth noting that the availability of sushi rolls can vary depending on the region and the restaurant, so some of these rolls may not be available everywhere. Additionally, the ingredients used in sushi rolls can vary depending on the chef and the restaurant's style, so the taste and presentation may differ from place to place.