see chile bean paste
From The Food Lover's Companion, Fourth edition by Sharon Tyler Herbst and Ron Herbst. Copyright © 2007, 2001, 1995, 1990 by Barron's Educational Series, Inc.
Gochujang (a spicy, slightly sweet, beautiful dark red fermented chili paste) has been a staple ingredient in Korean households for hundreds of years. It's used as an ingredient in stews and sauces, or simply as a dip for a snack.