𝗣𝗲𝗿𝗳𝗲𝗰𝘁 𝗢𝗹𝗱 𝗙𝗮𝘀𝗵𝗶𝗼𝗻𝗲𝗱 𝗖𝗵𝗼𝗰𝗼𝗹𝗮𝘁𝗲 𝗕𝘂𝘁𝘁𝗲𝗿𝗺𝗶𝗹𝗸 𝗖𝗮𝗸𝗲 𝗬𝘂𝗺𝗺𝘆

1. Preheat oven to 350 degrees. Grease and flour 2 9-inch cake pans. Line the bottom of the pan with parchment paper.

2. In a large bowl or standing mixer, cream butter until light and fluffy. Add sugar and beat until creamy. Add eggs, one at a time, beating well after each addition. Stir in melted chocolate.

3. In a separate bowl, combine flour and salt. Add buttermilk and chocolate mixture, alternating. Stir in vanilla.

4. In a small bowl, dissolve baking soda in vinegar. Slowly add this to the chocolate mixture. Mix just until blended. Do not over-mix.

5. Pour batter into prepared pans and bake for 30-35 minutes or until a toothpick inserted in the center comes out clean. Cool in pans for 10 minutes then remove from pans. Transfer to wire racks and cool completely before frosting.