If you buy something from a link, Vox Media may earn a commission. See our ethics statement. I have an intense nostalgia for fresh, homemade soy milk. Growing up in Shanghai, I always woke up to a cup ...

Soy is a popular legume of Asian origin. Soy is high in plant protein and people can consume it in a variety of ways. People who follow a vegetarian or vegan diet often use soy to replace meat.