Small Rice

The food you're referring to is called "sushi" (すし), and it's actually a traditional Japanese dish, not American. However, it has gained popularity worldwide, including in the United States, where you can find it in many Japanese restaurants.

Sushi is a type of vinegared rice dish, typically served with raw or cooked seafood, vegetables, or sometimes egg, wrapped in seaweed called "nori" (のり). The nori is usually green, but there are also other types of seaweed used, such as "naga-nori" which is a dried seaweed sheet.

There are various types of sushi, including:

1. Nigiri (握り): This is probably the most common type of sushi you'll find in the States. It consists of a small ball of vinegared rice topped with raw or cooked seafood, such as salmon, tuna, or shrimp.

2. Sashimi (刺身): This is a dish made with thinly sliced raw seafood, typically served without rice.

3. Maki (巻き): This is the type of sushi you might picture when you hear the word "sushi." It's a roll of rice and seafood, vegetables, or egg, wrapped in nori seaweed.

4. Temaki (手巻き): This is a handroll, similar to maki, but it's smaller and more cone-shaped.

5. Uramaki (裏巻き): This is a roll wrapped with two layers of nori, with the filling on the inside and the rice on the outside.

6. Inari (稲荷): This is a sweet sushi, stuffed with tofu pouches and sweetened with sugar and soy sauce.

You can enjoy sushi with dipping sauces like soy sauce, wasabi, and pickled ginger. When eating sushi, it's customary to use chopsticks, but forks and knives are also accepted.

All in all, sushi is a delicious and healthy food that has become a favorite for many people around the world. So, the next time you have a chance, give it a try and enjoy the unique flavors and textures!