Place the oats, milk, peanut butter, vanilla and maple syrup in a pan and stir well. Bring up to a simmer then turn down the heat and simmer gently, stirring regularly, for 5 minutes or so until thickened to the desired consistency. Add a drop more milk or water if needed.
Meanwhile, place the raspberries, maple syrup and water in a small pan and bring up to a simmer; allow to simmer gently for about 5 minutes until the berries have broken down slightly.
Pour the porridge into a bowl and top with the compote. Add a drizzle of maple syrup if needed.