Mexican chicken and rice is a spicy and flavorful dish that's perfect for a fiesta-themed dinner. Simply sauté chicken and onions in a large skillet, add canned tomatoes, black beans, and rice, and let everything simmer until the rice is tender and the chicken is cooked through. This dish is perfect for adding your favorite Mexican spices, like cumin or chili powder, and can be garnished with fresh cilantro and lime wedges.