1 cup Guinness Stout
1 stick plus 2 tablespoons unsalted butter
3/4 cup unsweetened cocoa
2 cups sugar
3/4 cup sour cream
2 eggs
1 tablespoon vanilla extract
2 cups all-purpose flour
2-1/2 teaspoons baking soda

* Optional: confectioner’s sugarPreheat oven to 350º.  Butter and flour a Bundt pan.  Pour the Guinness into a saucepan, add the butter, and heat over low heat until the butter has melted.  Whisk the cocoa and sugar into the Guinness-butter mixture.  Beat the sour cream, eggs, and vanilla together.  Add the sour cream mixture to the pot and mix well.  Whisk in the flour and baking soda.  Pour contents into your prepared baking pan and bake until done, 45 minutes to 1 hour.

Garnish with confectioner’s sugar, if desired.