Contrary to popular belief, you don’t have to stir risotto constantly, but achieving a creamy risotto with slightly toothsome grains does require some attention. During the cooking process, the rice should always be lightly coated in liquid and bubbling energetically, and the liquid needs to be added gradually: Add just before the rice threatens to stick to the bottom of the pan. For the creamiest results, stir more frequently and more vigorously during the second half of the cooking, when…