1. In a bowl, whip the Egg whites until stiff.
2. Add the lemon zest and vanilla essence.
3. Mix well.
4. Transfer the mixture to a baking tray lined with greased parchment paper so that it does not stick.
5. Bake at 180°C for 7 minutes.
6. Remove, let cool slightly to room temperature.
7. Mix the protein with the cream cheese and then add jam on top to taste.