6 October 2019 Gruel Posted on October 6, 2019 by Durgan 6 October 2019 Gruel 6 October 2019 Gruel Gruel was made, corn, wheat, sunflower seeds, flax, and almonds. Blended with water and cooked for about two hours in a double boiler. This is my breakfast cereal.The finished product is placed in plastic containers and frozen until required.