Nigiri consists of thinly sliced, raw fish pressed on top of sushi rice. There are some forms of nigiri that have cooked or seared fish, if you can't bring yourself to eat it raw.
Whereas sushi is fish served with a ball of rice, which might have some extra ingredients, sashimi is just a raw fish, which is sliced and served as is.
As maki means roll, so the classification is just on how the roll is made. Hosomaki (thin rolls) is a common type roll, very popular and widely use in Japan for lunch, snack, picnic,etc due to its bite size when cut and flavor concentration.
These have the appearance of an inside-out sushi roll. A California roll has the rice layer on the outside, and the sheet of seaweed (nori) is on the inside.
Known to some as shrimp tempura roll, this includes a shrimp tempura with vegetables like avocado and cucumber.
One of the well-known American fusion rolls that consists of raw salmon and cream cheese. Obviously when we think of cream cheese, we think of Philadelphia Cream Cheese and that’s where the name came from.
Sushi rice is sticky and in order to make good sushi without the hassle, you'll need to have a bowl of water handy.
Presentationis half the story. Make sure you arrange the sushi in an interesting layout on nice porcelain plate, or a sushi boat if you have one.
In case you’re feeling a bit cotton-mouthed, try adding more spicy mayonnaise or other condiments to keep your sushi moist and easier to eat.
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