In a food processor or in a large bowl with a wooden spoon, mix together the oat flour, almond flour, coconut sugar, baking powder, nutmeg, cinnamon, all spice, ginger, and cloves.
1 ⅔ cup gluten-free oat flour, 1 cup almond flour, ½ cup coconut sugar, 1 Tbsp baking powder, 1 tsp nutmeg, 1 tsp cinnamon, ½ tsp all spice, ½ tsp cloves, ¼ tsp ginger