Be sure to find a super fine almond flour like: Bob’s Red Mill. You want it to be this consistency so the cake doesn’t feel dense and raises well with a nice crumb!
For this recipe to turn out correctly, you need to use dutch processed cocoa powder. It is a cocoa powder that has been treated with an alkali, making its pH neutral. The baking powder is activated with this type of cocoa, so please do not substitute here!