How can I make a protein drink without protein powder? I was thinking of making a smoothie with silken tofu but this could prove to be expensive. I'm allergic to nuts so peanut butter's not an option. Not sure what else I could use... any ideas?
Miso and brewer's yeast? A bit high in sodium perhaps (that probably depends greatly on context of your goals, exercise and other dietary choices), but great as far as some other important nutrients like B vitamins.
Too much brewer's yeast it's very unlikely you will like the taste, but you may very well find that a little bit ups the protein content, adds other nutrients, and actually improves the taste compared to just miso.