low calorie cooking spray
4 eggs, separated
4tbsp sweetener
grated zest and juice 1 large orange
150g self-raising flour
1 level tsp baking powder
For the topping:
100g extra-light soft cheese, chilled
100g Quark, chilled
2 level tbsp icing sugar, sifted
grated zest ½ orange
200g raspberries
You can bake and ice this in advance and keep it chilled for up to 3 days. Slice and decorate with raspberries when you’re ready to eat.