Question: what are the best vegetarian sources of protein?
Answer: Seitan. Seitan is a popular protein source for many vegetarians and vegans. ... 
Tofu, Tempeh and Edamame. Tofu, tempeh and edamame all originate from soybeans. ... 
Lentils. ... 
Chickpeas and Most Varieties of Beans. ... 
Nutritional Yeast. ... 
Spelt and Teff. ... 
Hempseed. ... 
Green Peas.