Preheat oven to 180 degree C. Take a square cake pan and grease with oil and dust it with flour, coat it on all sides, Tap off the excess and set aside,
Bring milk to a boil. Pour this over the oats and mix well. Set aside for 30 mins.
Sieve flour, baking powder, salt, cinnamon well and set aside.
Dust nuts with a tsp of flour and set aside.
Take butter in a bowl, add in sugar and whisk it well,
Add in egg, vanilla and oats and mix well.
Now add in the flour mix in and fold gently.
Add in the nuts and fold gently.
Spoon this into the pan and bake for 25 to 35 mins
Remove it and cool it down. Cut it into squares and serve.