Guinness Chocolate Cake

INGREDIENTS

FOR THE CAKE BATTER:

250 milliliters

Stout Foreign Extra Guinness (almost all of a 11oz bottle)

2 sticks

plus 2 tablespoons unsalted butter, melted

3/4 cup

all-natural cocoa powder, measured before sifting

1 3/4 cups

granulated sugar

2/3 cup

(scant) of sour cream

large eggs

1 tbsp

pure Vanilla extract

2 cups

plus 2 tablespoons unbleached all-purpose flour

2 1/2 tsp

baking soda

1/4 tsp

salt

FOR THE ICING:

11 oz

cream cheese, room temperature

1 1/2 cups

confectioners' sugar

1/2 cup

whipped cream (plus extra if needed for a smooth consistency)