Twenty minutes or so will do.
Methods of steaming rice with steamer:
1, materials:
Half bowl of rice, water (1.5 times of rice).
2, cooking method:
(1) Prepare the rice according to the number of people and the amount of rice.
(2) Wash the rice and add 1.5 times the water of the rice.
(3) Put it into a steamer, boil it over high heat, turn to medium heat and steam it over water for about 20 minutes.
(4) When the time is up, serve the rice out of the pot and it's ready to serve.