Name: Fennel and Blue Cheese Tarte Tatin
Ingredients: 200g puff pastry; 3 small brown onions, peeled, trimmed and cut in half; 2 small fennel, quartered; 50g butter; Salt and pepper; 2 sprigs thyme; 50g creamy blue cheese; 25g pickled walnuts, quartered; 2 tablespoons caster sugar