- 100g/3½oz caster sugar
- 1 vanilla pod, split
- 2 oranges, peeled and segmented
- 2 free-range egg whites, lightly whisked
- 55g/2oz butter, melted
- 3-4 sheets ready-made filo pastry
- Preheat the oven to 200C/400F/Gas 6.
- Heat the sugar in a small ovenproof frying pan until melted. Add the vanilla pod and cook until the sugar is a deep caramel colour. Add the orange segments and stir to coat. Remove the vanilla pod (it can be used again in another dish).
- Place the egg whites and melted butter into a bowl and mix well. Brush this mixture over each sheet of pastry. Scrunch up the pastry sheets and place on top of the caramelised orange mixture.
- Transfer to the oven and bake for 5-6 minutes, or until the pastry is crisp and golden-brown.
- To serve, place the croustade into a serving dish.