In a saucepan, add the water, milk, porridge oats and grated apple and bring to the boil.Simmer for six to seven minutes stirring from time to time. Let stand for a minute before serving.Melt the coconut oil in a frying pan, add the apple slices and fry for a minute.Add the maple syrup and fry until golden brown and sticky.Serve with apple slices, and a sprinkling of chia seeds on top of the porridge and enjoy.