Delicious Apple Squares

Directions

1. 1
   Cream the butter and 200 grams minus three tablespoons of white sugar.
2. 2
   Add flour, lemon juice and rind and three egg yolks and work to form a compact dough. Set aside.
3. 3
   Peel and grate the apples and toss in a large bowl with the cinnamon, brown sugar and raisins.
4. 4
   Roll out half the dough and line a well greased rectangular pan (about 30 cm by 20 cm).
5. 5
   Add the apple mixture and roll out the rest of the dough to cover the apple filling.
6. 6
   Cook in a moderate oven for about twelve to fifteen minutes, or until just beginning to turn brown on the top.
7. 7
   Meanwhile beat the egg whites with the three tablespoonfuls of white sugar until stiff.
8. 8
   Spread over the top of the pastry and pop under the broiler for a couple of minutes until golden brown.
9. 9
   Remove from the oven and allow to cook before cutting in squares to serve.