Put the porridge in a saucepan and mix in the cinnamon. Add the oat milk and fresh ginger, then turn on the heat.
Simmer over low heat for 10 minutes. Add a little more milk, if needed. Turn off the heat, give it a stir, then put a lid on and rest for 5 minutes.
Meanwhile, peel the pears, cut them half and remove the core. Cut them into thin slices.
Put them in a non-stick pan, add the lemon juice, sugar and half of the agave syrup. Caramelize them for about 5-8 minutes, stirring occasionally. They should be soft, but tender. Stir in the nuts, then turn off the heat.
Spoon the porridge into two bowls, then top with the pear & nuts and syrup. Drizzle with the remaining maple syrup and serve.