You can serve the lentils and rice as a side dish, along with a big salad and some grilled or baked tofu or tempeh. Or you could make it amain dishalong with some veggies: roasted beets, broccoli, and cauliflower all work really nicely with it. ...
Add the canned tomatoes, tomato paste, broth, and cauliflower. Stir well to combine, making sure the lentils are mostly submerged. Cover and cook on high for 3 1/2 hours. Stir in the carrot rice and cook together until the lentils and rice are soft but not mushy, about 30 minutes more...