Use very ripe bananas with brown spots for maximum sweetness and moisture; they provide natural sweetness that reduces the need for added sugar and creates the most tender crumb.

Sift tapioca and almond flour together before mixing to prevent clumping and ensure even distribution, which eliminates dense pockets and creates a uniformly fluffy texture.

Bring eggs to room temperature before mixing to help them emulsify properly with the coconut oil, creating better lift and a lighter, fluffier cake structure.

Mix only until ingredients are just combined—overmixing develops gluten alternatives and activates baking soda prematurely, resulting in a dense, heavy cake instead of light and fluffy.

Line your pan with parchment paper and immediately transfer to a wire rack after baking to allow steam to escape evenly, preventing a soggy bottom and maintaining the cake's tender crumb.