Heat 2 tablespoons of the olive oil in a nonreactive shallow casserole, deep sauté pan, or paella pan over medium-high heat. Add the onion, bell pepper, carrot, garlic, and salt; sauté, stirring occasionally, just until the vegetables begin to soften, about 5 minutes. Add the remaining 1 tablespoon oil and the rice and stir until the rice is coated with the