4 tbsp apricot jam
1 tsp baking powder
225g/8oz caster sugar, plus extra for sprinkling
50²µ/1ΒΎ΄Η³ϊ cocoa powder
220²µ/7ΒΎ΄Η³ϊ self-raising flour
225g/8oz unsalted butter, softened, plus extra for greasing
4 free-range eggs
300ml/10Β½fl oz whipping cream, softly whipped