It consists of a pan that fits inside the cooker and holds the rice and water. Add rice, butter, and a large pinch of salt. Cooking parboiled rice is easy, and is basically the same as preparing ordinary rice. Check your manual for estimated cooking times. Boil 2 parts water and a pinch of salt, add 1 part rice, then cover the pot and reduce the heat. In a medium saucepan over medium heat, bring water to a boil. Some varieties need to be simmered for 45 minutes, while American-style converted rice has been precooked and only takes 20 to 25 minutes. A Rice Cooker is a pretty simple piece of kitchen equipment. Let the rice rest in the slow cooker for 10 to 15 minutes: Once the rice is cooked and the rice cooker shuts off, let the rice rest for another 10 to 15 minutes. [1] Keep the lid on while the rice sits. It has a small weight scale in the base that senses when the water has boiled off and the rice is done cooking, rather than using a timer. Making Sticky Rice In A Rice Cooker Is Much Easier. This helps prevent the rice from being overly sticky or getting mushy.