Colmans Beef Casserole Mix Sachet facilitates an effortless transition from basic to professional culinary skills, allowing home chefs to quickly and easily create a first-rate beef casserole. The included blend of tomatoes, onions, herbs and spices requires only the addition of boiling water and a dish containing beef, onions and carrots; then, after 1 ¾ hours in the oven, the perfect casserole emerges – with no added colours, preservatives, or MSG.