Golden lemon drizzle cake with poppy seeds

A cake that has it all: sweet, sour, fluffy, sugar-crusted crunch and luxurious filling. And then the sponge! Sunshine gold to lift any mood.

My secret is ground turmeric in the batter, which also serves to echo the slight bitterness of lemon, offsetting the sweetness, whilst a generously juicy drizzle brings intense tang. The idea for the lemon mascarpone centre came from Tonia George in a magazine cut