5 More Muscle-Building Tips for Plant-Eaters. Swap your water with a simple protein shake. Add a scoop of protein powder to your water and drink it with every meal. Use nuts & seeds instead of oils. Supplement when necessary. Scale back (a little!) on veggies. Always have cooked beans ready to eat.
If you're looking to build muscle, you'll find plenty of info out there extolling the virtues of lean meats and fish. But what if you're vegetarian or vegan?