Porrige, or porage, is a simple dish made by boiling oats (normally crushed oats, occasionally oatmeal) or another cereal in water, milk, or both. Dishes made from cornmeal to which boiling water is added may also be described as "porridge," though these are more often described by regional/national variant names, such as polenta and grits, these are prepared and served according to special regional traditions. Oat and semolina porridge are the most popular varieties in many countries, other cereals used for porridge include rice, wheat, barley, and cornmeal. Legumes such as peasemeal can also be used to make porridge. Gruel is similar to porridge but is much more like a drink; it has a very thin consistency and is made with water.