1. Peel and grate the apple.
2. Heat oven to 160°C/ gas mark 3.
3. Line a 20cm square tin (or the closest thing you have) with baking parchment.
4. Heat the coconut oil, peanut butter and date syrup in a small pan until melted.
5. Add the mashed banana, apple and 100ml hot water, and mix to combine.
6. Tip the oats, the dried fruit and the seeds into a large bowl.
7. Pour in the combined banana and apple and stir until everything is coated by the wet mixture.
8. Tip into the cake tin and level the surface.
9. Bake for 40 mins or until golden. Leave to cool in the tin before slicing and serving.