There are many protein-rich dishes that pair well with rice. Some popular choices include grilled chicken, beef stir fry, pork chops, shrimp curry, salmon fillet, and tofu.  If you're looking for a vegetarian option, lentils or beans, make a great accompaniment to any type of rice dish.  You can also add nuts, seeds, and vegetables to your rice dish for an added nutritional boost. You can also opt for a mixture of proteins, such as grilled chicken with black beans or salmon with tofu.