Blueberry & Hazelnut Crumble Cake

This delicious crumble cake was created by the lovely Benjamina and is a delicious mixture of fruity blueberries and crunchy hazelnuts and goes so beautifully with a cup of coffee with friends - what's not to love?

Ingredients:

For the Sponge

6oz Plain flour

1 tsp Baking powder

Pinch Salt

6oz Unsalted butter (softened)

7oz Silver Spoon Icing Sugar

3 Medium free range eggs

For the Blueberry Filling

12oz Blueberries (fresh or frozen)

1¼oz Billington's Unrefined Golden Caster Sugar

1.5 tsp Cornflour

Squeeze of Juice of one whole lemon

2 tsp Nielsen-Massey Vanilla Bean Paste

For the Crumble Topping

3oz Plain flour

1¾oz Billington's Unrefined Golden Caster Sugar

1¾oz Unsalted butter (chilled)

2 tbsp Chopped hazelnuts