Rinse the sushi rice under cold water until the water runs clear.
Combine the rice and water in a rice cooker and cook according to instructions.
Let the rice sit for 10 minutes before fluffing with a fork.
Mix rice vinegar, sugar, and salt in a bowl until dissolved.
Fold the vinegar mixture into the rice gently.
Allow the rice to cool until warm to touch.
Wet your hands and take a handful of rice, flatten it in your palm.
Place your desired filling in the center and mold the rice around it.
Wrap a strip of nori around the base for added flavor.
Repeat until all rice and fillings are used.