Peel kiwis and cut into large sticks.
Cut foie gras into strips at least 1 cm thick, then marinate in mirin and sweetened soy sauce.
Mix a bit of water with 1 tbsp rice to soak your hands as you prepare the sushi.
Cover the bamboo sushi mat with cling film.
Lay a sheet of nori on top.
Soak your hands in the water mixture and scoop out a handful of rice.
Starting at one edge, spread rice over the nori sheet with your fingers.
Add more rice to cover bare spots if needed.
Sprinkle rice with golden sesame seeds.
Soak hands once more to rinse away any clinging rice grains, then flip the sheet of seaweed over.
Place filling (foie gras and kiwis) on the lower edge of the sheet of seaweed, spreading it all the way across.