Grease 9×5 bread pan.n small bowl, mix together almond flour, coconut flour, salt, baking soda, xanthan gum, baking powder, and cinnamon.In large bowl, beat eggs, butter, coconut oil, sweetener, and extract.Beat in flour mixture until well combined.Stir in zucchini and nuts.Pour into greased pan.Bake for 50-60 minutes at 325 degrees F.Cool for about 15 minutes, then remove from pan. Cool completely. Store in refrigerator.