Preparation time 30 minutes Cooking time 30 - 40 minutes
Makes 16 slices
350g.12oz butter, softened plus extra for greasing
350g/12oz caster sugar
6 large eggs, lightly beaten
350g/12oz self raising flour, sifted
2tsp ground cinnamon
1 tbsp vanilla sugar
12 ripe plums
200g/7oz fresh blueberries
For the topping
115g/4oz butter
60g/2oz caster sugar
1tsp ground cinnamon
175g/6oz self raising flour
Icing sugar for dusting
Preheat the oven to Gas Mark 4/180°C/350°F and grease and line a 40x20cm/16x8in roasting tin. In a mixing bowl, mix together the butter and caster sugar until light and creamy. Add the eggs and mix again. Fold in the self raising flour, cinnamon and vanilla sugar. Spoon the cake batter into the tin and spread evenly. Cut the plums in half and place evenly over the cake batter. Sprinkle over the blueberries. For the topping, place the flour in a bowl and rub in the butter with your finger tips to make large crumble pieces. Mix in the caster sugar and cinnamon with your fingers. Sprinkle the crumble topping over the top of the cake. Bake for about 30 - 40 minutes until the crumble topping is golden brown and the cake is cooked through. Allow the cake to cool and dust with icing sugar to serve.