Celery root is a great wintertime vegetable that can be easily roasted, mashed, pureed into soup, and even eaten raw. The Full Belly folks love to use celery root because of its wonderful celery flavor and smooth, creamy texture. Celery root is a great source of dietary fiber, vitamin C, vitamin K, and potassium. it can be stored in the produce drawer of your refrigerator for up to 2 weeks. To prepare, simply trim off the tops, cut off the outer skin, and prepare to your choosing.