Cook the rice.
Wash the cucumbers, cut them in half, and use a teaspoon or a knife to take the seeds out and make a hollow tube.
Finely slice the avocado and the peppers.
Put cooked and cold rice into a cucumber, then use a knife to press it.
Add some avocado and peppers. Put as many as you can, the tightest is the best !
Cut your filled cucumber in thick slices.
There you are, your cucumber sushi rolls are ready to be devoured !