Dr. Praeger's was founded in 1994 when New Jersey cardiac surgeon, Dr. Peter Praeger and his medical partner, Dr. Eric Somberg purchased Ungar's Gefilte Fish. Dr. Praeger's makes a variety of gluten-free frozen foods, including gluten-free veggie burgers, gluten-free fish fillets and gluten-free fish sticks. All Dr. Praeger's foods are kosher.