Smart Miso Brown Rice Miso Paste comes from family-owned miso producers in Japan using a traditional method. This miso is crafted with fermented brown rice, soybeans, sea salt, and sweet potato syrup. For more than 1,300 years, miso has been consumed as one of the most important culinary seasonings in Japan. Besides authentic Japanese miso soup, this miso paste is a wonderful seasoning as a salad dressing or marinade for your favorite foods such as salmon, chicken, or vegetables. It is non-GMO, vegan, gluten free, and contains no MSG.