4 tbsp apricot jam
1 tsp baking powder
225g/8oz caster sugar, plus extra for sprinkling
50²µ/1¾´Ç³ú cocoa powder
220²µ/7¾´Ç³ú self-raising flour
225g/8oz unsalted butter, softened, plus extra for greasing
4 free-range eggs
300ml/10½fl oz whipping cream, softly whipped