Even the newest of cooks know that rice needs to be cooked, but from theory to practice, there is a long … How to Cook Rice. Leave for at least half an hour. 450g basmati rice Pinch of salt. Serves 4 . 1. For example, medium or short-grain rice, which is more starchy, tends to absorb a lot more liquid than long grain rice like basmati. Give the the rice a brief rinse under running water and then put it in a large pan and cover with cold water.