What are the best protein sources for a plant-based diet?

Legumes are among the most valuable protein sources for plant-based eaters, including lentils, chickpeas, black beans, and edamame, which provide 15-20 grams of protein per cooked cup. Tofu, tempeh, and seitan are also excellent choices, with tempeh offering around 31 grams per cup and seitan delivering up to 25 grams per serving. Beyond those, quinoa stands out as a complete protein grain with all essential amino acids. Nutritional yeast adds about 8 grams per two tablespoons and works well as a flavor enhancer. Hemp seeds, pumpkin seeds, and peanuts round out strong options. Combining varied sources throughout the day ensures you get a full amino acid profile, which is especially important since most plant proteins are incomplete on their own.