This easy layered traybake is inspired by American coffee cakes ... the entire cake, but make little hillocks with gaps in between. Sprinkle the crumble mixture over the top, filling in ...
This cake is light, fluffy and captures the distinctive flavour of those little caramelised biscuits perfectly. It pairs beautifully with a cup of coffee. Preheat the oven to 160C/140C Fan/Gas 2½.