Preparation Rinse rice in a sieve under cold running water 2 to 3 minutes, then drain well. Melt butter in a 2- to 3-quart saucepan over moderately high heat. Add rice and cook, stirring constantly, until it becomes opaque, about 3 minutes. Stir in coconut milk, water, cinnamon, and salt and bring to a boil. Reduce heat to low and simmer, covered, 20 minutes, then remove from heat and let stand, covered, 5 minutes. Discard cinnamon stick and fluff rice with a fork.
Preparation Rinse rice in a sieve under cold running water 2 to 3 minutes, then drain well. Melt butter in a 2- to 3-quart saucepan over moderately high heat. Add rice and cook, stirring constantly, until it becomes opaque, about 3 minutes. Stir in coconut milk, water, cinnamon, and salt and bring to a boil. Reduce heat to low and simmer, covered, 20 minutes, then remove from heat and let stand, covered, 5 minutes. Discard cinnamon stick and fluff rice with a fork.