My thought would be — given shredded coconut is limited to 1/4 cup — that perhaps small amounts of coconut flour would be okay — but not large amounts or for use as the only flour in a recipe. (blog.katescarlata.com)
A small amount of coconut flour provides a high yield of baked goods, relative to wheat flour. (elanaspantry.com)
My blend has a small amount of coconut flour in it, but if yours has a lot you may need to increase your liquid and break the ratio. (glutenfreemaui.com)