Cook the sushi rice according to the instructions on the package and set it aside to cool.
Cut the salmon into thin strips and set it aside.
Prepare the tempura batter mix according to the instructions on the package.
Lay a sheet of nori seaweed on a sushi mat with the shiny side facing down.
Spread a thin layer of sushi rice over the nori seaweed, leaving a 1-inch border at the top.
Place the salmon strips on top of the rice.
Spoon a small amount of tempura batter over the salmon.
Roll the sushi mat tightly, using the border of rice at the top to seal the roll.
Repeat the process with the remaining ingredients.
Cut the sushi roll into bite-sized pieces.
Serve with soy sauce, wasabi, and pickled ginger.