Ingredients: 

450g/1 lb plain flour

2 tsp baking powder

200g/7 oz caster sugar

4 eggs

250g/9oz butter, cubed

1 kg/2lb 3oz eating apples, peeled, cored and coarsely grated

1 tsp cinnamon

Handful sultanas

Method:

1. Put flour, baking powder, 120g/4½ oz sugar, butter and 4 egg yolks into a bowl and combine with your hands until they come together in a dough.

2. Take 1/3 of the dough and put in the fridge for 15-20 mins.

3. Press the remaining 2/3 of the dough into a large lightly greased tin and cover with apples.

4. Sprinkle with cinnamon and sultanas.

5. Beat the egg whites until stiff, fold in the remaining sugar (80g/2½oz) and spread over the apples.

6. Take the refrigerated dough and grate it coarsely, then sprinkle over the egg whites.

7. Bake at 200°C/fan 180°C for 35-40 mins.