Grind your gluten free old fashioned oats into flour using a blender.
*I’ve tried making the batter with vegan butter instead of coconut oil and the cake was more dry, I definitely recommend using coconut oil if you can.
**I’ve tried making this icing with other vegan butters and the result wasn’t the same. It came out more caramel-y and less savory almond butter-y. I recommend using Earth Balance butter in this icing.