Ingredients
Instructions
- Pre-heat oven to 350 degrees.
- Grease a 9-inch springform pan and line with parchment paper.
- In a large saucepan, combine Guinness and butter.
- Place over medium-low heat until butter melts, then remove from heat. Add cocoa and sugar, and whisk to blend.
- In a small bowl, combine sour cream, eggs and vanilla; mix well.
- Add to Guinness mixture. Add flour and baking soda, and whisk again until smooth.
- Pour into buttered pan, and bake until risen and firm, 45 minutes to one hour. Place pan on a wire rack and cool completely in pan.