Preparation Steps

• Preheat the oven to 350°F (175°C) and line a baking sheet with parchment paper.
• In a bowl, combine flour, baking powder, and salt.
• In another bowl, beat the butter, granulated sugar, and brown sugar until creamy.
• Add in the egg and vanilla extract, mixing until well combined.
• Gradually add the dry ingredients to the wet mixture.
• Mix in the buttermilk until smooth.
• Fold in the cocoa powder until the dough is fully combined.
• Drop spoonfuls of dough onto the prepared baking sheet.
• Bake for 10-12 minutes, until the cookies are set.