Preheat the oven to 350°F. Combine in a Dutch oven or 10-inch ovenproof skillet and cook, stirring, over medium heat until the onions are golden, about 8 minutes:
Add and stir until well coated:
Add and bring to a boil:
Stir once, cover, transfer to the oven, and bake until the liquid is absorbed and the rice is tender, about 25 minutes. Uncover and let stand 5 minutes before serving.