Sep 01, 2013· Oatmeal Vs. Porridge; Oatmeal is a porridge which made by Oat, Porridge instead is any kind of grain, legume or cereal like (oats, rice, wheat, corn and more) boiled in water or milk and served hot. for example a porridge made by corn is called cornmeal. Iranian Halim and Frankish-Halim; Although my mom used to cook for me the most delicious oat creamy soup during winter times in Tehran, I ...