Preheat oven to 200C. 1. Spread the puff pastry out on a piece of clingfilm. Combine the mustard and the honey and spread out evenly over the puff pastry. Sprinkle with sesame seeds. 2. Carefully roll from the wide side to the center of the pastry. Turn then roll the other side to the centre. Wrap with clingfilm and freeze until ready to bake. 3. Remove from freezer and allow to thaw slightly. Slice into 1 cm slices and place on a greased baking tray. Bake in a preheated oven for 15 minutes or until golden.