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# What is soy sauce and where can I buy it?

Soy sauce is a liquid condiment made from fermented soybeans and a grain. It’s very salty, so don’t add too much. Reduce or eliminate any salt used in the recipes that contain soy sauce. If you need to avoid gluten, make sure you buy gluten-free soy sauce, known as tamari (classic soy sauce is shoyu, and contains gluten).
You can buy it in most well-stocked supermarkets, health food stores, and online.