Finely grind the oatmeal.
Combine oatmeal flour, baking powder, and salt in a bowl and mix well.
In another bowl, add the egg, milk, and olive oil, then mix thoroughly.
Combine the wet ingredients with the dry ingredients.
Shape the dough into rounds and place them on a baking tray.
Bake in a 180°C oven for 20-25 minutes.