These blackberry crumb slices match the fruit perfectly. They are most definitely a bit more rustic looking than most cake slices, but are full of warm sponge and juicy flavours. Both the cake mix and the crumb topping are extremely easy to make and are great for baking with kids.
115g butter, at room temperature
175g caster sugar
1 large free-range egg
280g self-raising flour
1 teaspoon of cinnamon
125ml milk
300g fresh blackberries (you could use frozen ones if you’re stuck)
For the sweet crumb topping:
115g caster sugar
85g plain flour
Zest of 1 lemon
75g butter