I read and interesting article: Find out how to get protein on a vegetarian diet.
According to this article the best sources of protein are:
1. Quinoa and other whole grains
2. Beans, Lentils and Legumes
3. Tofu and other soy products
4. Nuts, Seeds and Nut Butters
5. Seitan, Veggie Burgers and Meat Substitutes
6. Protein Supplements
But, I would not recommed soy products, as soy can be easily genetically modified.
All soy products should be consumed with caution.
Note that meat substitutes can also contain soy.
This article does not mention that mushrooms are a good source of protein.
( nutrition facts and analysis on www.nutritiondata.com + photo)
