Chirashi tuna/avocado

Clean the rice with cold water as much as needed.
Pour cold water onto the rice, then throw it away.
With your hand do 20 circles in the rice bowl.
Pour again cold water and throw it away.
Repeat.

If you have time, let the rice sit for 30 minutes.
Then place it in a pot and pour enough cold water to cover the rice and a bit more.
Place a lid and cook at high fire for 5 minutes. Then put at very low fire for 12 minutes.
Once cook, mix the rice with a spoon (wet the spoon if too sticky).

Slice the tuna.
Dice the avocado.
Place them in a bowl and pour sesame seeds.
Then pour some mirin (little) and soy sauce (more).
Mix up and place in the fridge for 30 minutes.

Finally, place the rice in bowls.
Lay the avocado/tuna on top.
Threw some fresh herbs on top.
Pour a spoon of mirin and 2 spoon of soy sauce.