1. Preheat the oven to 180ºC, top and bottom heat.
2. Grate the apple with a grater and mash the banana with a fork.
3. Mix all dry ingredients in a separate bowl, then combine with the mashed bananas, grated apple, cinnamon, and vanilla.
4. Take a tablespoon of the mixture in your hand, roll into a ball and then press with your balm into a thick disk. Place on a baking tray with baking paper. You can make around 15 cookies with the mixture.
5. Bake for 10-15 min until they turn golden.