Chocolate Stout Cake With Stout Ganache (Guinness Chocolate Cake)

INGREDIENTS

250 g

+ 1tbsp) butter, in thin slices

250 milliliters

stout (Guinness)

275 g

(2 + 1/4 cups) plain flour

75 g

cocoa powder

2 tsp

baking powder

1/2 tsp

bicarbonate of soda ((baking soda))

1/4 tsp

salt

large eggs

150 g

full fat sour cream

2 tsp

vanilla extract

200 g

+ 2tbsp) light brown soft sugar

150 g

caster sugar

200 g

dark chocolate, chopped

100 milliliters

(scant 1/2 cup) double (heavy) cream

100 milliliters

(scant 1/2 cup) stout (Guinness)

15 g

butter