If you never feel full after eating cereals for breakfast try instant oatmeal. A serving of instant oatmeal is more filling than a ready-to-eat (RTE) oat-based cereal a new research shows. 'Eating a bowl of instant oatmeal for breakfast is more satiating and helps manage hunger better than the same amount of calories from a leading oat-based cold cereal even when consumed in smaller portions' researchers said. The unique characteristics of oatmeal have a significant impact on fullness and desire to eat even when matched for calories and ingredients (oats) with another breakfast option. 'We found instant oatmeal to be