- Preheat oven and grease and line two 8" round cake pans with parchment paper. - Whisk the flour, xanthan gum, cocoa powder, baking powder and baking soda. Set aside.
- In a second bowl, beat the room temperature butter and sugar on medium speed for 2-3 minutes. - Beat the room temperature butter and sugar on medium speed for 2-3 minutes.