Yuzu paste

Yuzu paste or Yuzu Kosho is a spicy mixture of yuzu zest or green fruit, salt, and chiles.  The paste is available in red or green, depending on the chiles used. Read more about Japanese Yuzu fruit.

How To Use Yuzu Paste

The paste is used as a condiment with sushi or also added to noodles or soups, dipping sauces and even with tofu to bring out the flavor.  You can also use it right out of the jar but it is very strong and salty.

Where To Buy Yuzu Paste

Purchase yuzu paste (yuzu kosho) in Asian markets.  You can also find it online at Amazon.com: Red and Green Yuzu Kosho

There is no close substitute for yuzu paste but as an alternative you can use wasabi paste.