Most healthy cereals like bran flakes and shreddies will put 'only x calories per bowl' on the front of the box. I recently weighed out the recommended serving size and was surprised to find that the portion was tiny and barely covered the bottom of the bowl. I'm not surprised the average person complains that they are putting on weight when they are probably eating around 5 times the recommended amount of cereal for breakfast each morning. Can you recommend any cereals that do fill you up without having to eat a larger portion, or would porridge be better?