
Place a chicken breast on a clean chopping board.
Slice the long side of the chicken from the centre to left leaving a little bit so you can open it up.
Turn the chicken breast 180° and repeat the step 2.
Season the chicken breast with salt and sugar on each side and rub it in.
Place some cling wrap on a work surface and roll then wrap the chicken breast tightly. At the same time, shape it into a round ham.
Put it in a ziplock bag. Place the ziplock bag into a bowl of water to seal it so there is no air pockets.
Pour 1 liter of boiling hot water into a rice cooker and add 300 ml of cold water to make the temperature of the water around 176 °F (80°C).
Place the the ziplock bag with the rolled chicken into the rice cooker and put lid on.
Press the "keep warm" function of the rice cooker and leave it for 2 hours.