Apple cake with hazelnut caramel topping Serves: 10 Ingredients 200g skinless hazelnuts 200g butter at room temperature 200g caster sugar 3 medium eggs 4 tbsp yogurt 200g self raising flour ½ tsp baking powder 1½ Pink Lady apples cored and cut into thin slices (each ½ into 16) 2 tsp icing sugar sifted for the