Mix the apple, currants, cinnamon and sugar together.

Roll out the pastry to a rectangle. Place the apple mix down the centre and dot on the marzipan.

Make some slashes, either side of the mixture and fold over carefuly to form a plait.

Brush with egg and bake in a hot oven 220 °C/425ø/gas mark 7 for about 15 minutes until golden brown.

Mix the icing sugar with the water and drizzle over the pastry.

Leave to set and then slice.

Per serving: 2294 Calories (kcal); 104g Total Fat; (39% calories from fat); 28g Protein; 329g Carbohydrate; 0mg Cholesterol; 597mg Sodium Food Exchanges: 7 Grain(Starch); 0 Lean Meat; 0 Vegetable; 6 Fruit; 20 1/2 Fat; 9 Other Carbohydrates