Step 1: Prep

Preheat your oven to 350°F (175°C). Grease and flour one 9-inch round cake pan, or line it with parchment paper.

Step 2: Mix Dry Ingredients

In one large bowl, whisk together the flour, sugar, cocoa powder, baking soda, baking powder, and salt.

Step 3: Add Wet Ingredients

Add the buttermilk, oil,