While the oven is preheating, wash, peel & slice, or dice apples. Stir apples in a bowl with water, coconut sugar, coconut flour, and spices. Add mixture to an oven-safe dish, such as an 8X8 Pyrex baking dish or a cast iron skillet.
5 cups sliced apples, ½ cup coconut sugar, 1 tablespoon coconut flour, 1 ½ teaspoon pumpkin pie spice, ¼ cup water, ¼ teaspoon cinnamon