Preheat Oven: Set your oven to 350°F (175°C). Grease your 8-inch pan or line it with parchment paper.
Prepare Topping: In a small bowl, mix 1/4 cup chopped pecans, 2 tbsp coconut sugar, and 1 tbsp coconut flour. Set aside.
Mix Dry Ingredients: In a large bowl, combine 1 cup almond flour, 1/2 cup coconut flour, 1 tsp cinnamon, 1/2 tsp nutmeg, 1/2 tsp baking powder, 1/2 tsp baking soda, and 1/4 tsp salt.
Blend Wet Ingredients: In a medium bowl, whisk together 1/4 cup melted coconut oil, 1/4 cup maple syrup, 2 large eggs, 1 tsp vanilla extract, and 1/2 cup mashed sweet potato.
Combine: Stir the wet ingredients into the dry ingredients until well combined.
Assemble: Pour the batter into the prepared pan. Sprinkle the pecan topping evenly over the batter.
Bake: Bake for 35 minutes, or until a toothpick inserted into the center comes out clean.
Cool and Serve: Let the cake cool in the pan for 10 minutes before transferring it to a wire rack. Slice and enjoy!