sentences:  Some companies that produce gluten-free cereals include Kellogg's, General Mills, Nature's Path and Arrowhead Mills.Most warm cereals can be classified as porridges, in that they consist of cereal grains which are soaked in hot water, cooked and/or boiled to soften them and make them palatable.Sweeteners, such as brown sugar, honey, or maple syrup, are often added either by the manufacturer, during cooking, or before eating.