Mix together the almond flour, coconut flour, coconut oil, maple syrup, vanilla, and salt in a large bowl.
Reserve 1/4 cup of the batter. Put the rest of the crumble into a square baking pan lined with parchment paper and press it into the corners to make an even layer.
Bake for about 12 minutes until the edges begin to get golden brown.
In the meantime, prepare the apples. Wash and slice the apple into thin slices. Sautee on a pan with pumpkin spice and coconut oil until slightly tender.
Remove the crust from the oven. Assemble the apples on top and top with remaining crumble.
Crumble the remaining crumble on top of the apples.
Bake for 10 more minutes, remove let cool and cut into 9 slices.
Notes
I haven't tested this recipe with other types of flours!