Wash the apples thoroughly and cut them into small cubes.
Stir-fry the apples with a bit of cinnamon powder in a pan.
Mix oatmeal, almond flour, a small amount of olive oil, and erythritol to make the topping dough.
Place the topping dough over the baked apples.
Bake in a preheated oven at 180°C for 20 minutes.