Preheat the oven to 18OC, Gas Mark 4
Grease and line a spring form cake tin with baking parchment
Grate the orange and lemon to get the zest and set aside.
Separate the egg yolks and whites
Add the egg yolks and sugar into a bowl and mix until smooth and creamy
Mix in the orange and lemon zest and the almond extract
Add the ground almonds and mix well
In a separate bowl with clean mixers beat the egg whites until stiff peaks form
Fold the egg mixture into the almond mixture. It is quite stiff so mix well
Pour the mixture into the cake tin and bake for forty minutes until firm to the touch.
Let the cake cool completely before turning out.
Cut a Saint James Cross out of paper and place on top of the cake
Dust the cake with icing sugar and then remove the cross. An outline of the cross should be on the cake