Preheat oven to 350°F and lightly grease a small baking dish with a little butter. Set aside.
Toss the apples with the cinnamon and a tablespoon of maple syrup and pour into the prepared baking dish. Spread apple mixture into an even layer and set aside.
In a small bowl, combine the almond flour, melted butter, and remaining maple syrup. Stir to combine thoroughly, then evenly spread the mixture over the cinnamon apples.
Place in the pre-heated oven and bake until the topping is golden brown and the apples are tender, approximately 25 - 30 minutes. Remove from oven and cool for a couple minutes before serving. Enjoy!