INGREDIENTS
250 milliliters
Guinness
250 g
self-raising flour
50 g
cocoa powder
250 g
butter, softened
250 g
caster sugar
4
large eggs
250 g
icing sugar
150 g
butter, softened
25 g
cocoa powder
75 milliliters
Guinness
1 tsp
vanilla extract
2
chocolate flakes