"This is for people who don’t like things too sweet but, that said, if you do, add a tablespoon of sugar to the filling...."
INGREDIENTS
•
2 tablespoons cocoa powder
•
4 oz (110 g) self-raising flour, sifted
•
1 teaspoon baking powder
•
4 oz (110 g) golden caster sugar
•
2 large eggs
•
4 oz (110 g) very soft butter
•
1 tablespoon milk
•
5 oz (150 g) dark chocolate (70% cocoa solids)
•
5 fl oz (150 ml) soured cream
•
a few walnut halves or toasted chopped hazelnuts, to decorate