Season the rice

• Mix the cooked sushi rice with the rice vinegar and let it cool slightly.

Lay out the prosciutto

• Arrange the prosciutto slices in an overlapping layer on the rolling mat to form a rectangle.

Fill and roll

• Spread the rice over the prosciutto, then add the cream cheese, cucumber and avocado.
• Roll tightly using the mat to form a log.

Slice and serve

• Sprinkle with sesame seeds and cut into bite-sized pieces.