As with most food groups, some are better than others. Keri Gans suggests black beans if you want a real protein boost. Gans says “A cup of black beans has eight grams of protein, more than lentils.”
Recipe Ideas: Warm up during the cold months with a bowl of black bean soup. Start with vegetable broth and a can of crushed tomatoes, then add the beans, carrots, and other veggies.