1-Preheat the oven to 400 degrees F. In a large bowl, mix the oatmeal, egg, oil and milk, then let it rest 5 minutes. 2-In another bowl, mix the flour, baking powder, salt, baking soda, nutmeg and brown sugar. 3-Add the dry ingredients to the liquid mixture by folding, so as to correctly moisten the dry ingredients. 4-Incorporate the blueberries in pliant and pour the mixture into the muffin molds fats. 5-In a small bowl, mix the sugar and cinnamon and sprinkle on muffins. 6-Cook the muffins in the oven for 18 minutes.