Apple and fruit crumbly pudding

Sponge

2 cooking apples, peeled cored and chopped
100g butter, softened 
175g cater sugar 
1 egg
280g self raising flour
125ml milk
200g fruit berries 

For crumble topping
50g softened and diced butter
85g self raising flour
100g brown sugar
Zest of a lemon

1)heat oven to 180c and line a 20 x 30 cake tin with baking parchment. Put the apple in a small pan and cover with water. Cook for a few minutes until soft, drain and leave to one side
2)make the crumble topping by rubbing the butter into the flour, sugar and lemon zest until the mixture resembles crumbs
3)beat the butter and sugar in a large bowl until fluffy and then add the egg, beat well. Add the flour and milk and continue to beat until combined. 
4)add the apples and mix well then spoon into the tin, smooth the surface and cover with the berries
5)sprinkle over the crumble topping and bake in the oven for 45 mins until golden and a skewer comes out clean. 

✔️Top tip: you can use frozen berries!