Ingredients
5 egg whites
¼ tsp cream of tartar
2 level tsp cornflour
300g (1 1/2 cups) soft light brown or golden caster sugar
For the filling and topping
3 rounded tbsp golden syrup (or light corn syrup)
50g (3 1/2 tbsp) salted butter
75g (1/3 cup plus 2tbsp) dark Muscovado sugar
425ml (1 3/4 cups) double (heavy) cream
1tsp pure vanilla extract
Generous pinch of Malden or fine sea salt
50g (1/3 cup) toasted hazelnuts, chopped
