Add mixture onto a baking sheet lined with parchment paper and bake for 30/35 minutes. Remove and allow to cool
Crema
In a pan beat the egg and sugar together and slowly beat in the flour
Heat the milk in a separate pan and then pour slowly into the egg mixture, whisking to ensure you have no lumps. Slowly bring up to boiling point with plenty of bubbles. Take off heat
Add lemon zest according to taste and allow to cool
Martini
Dilute a little martini and water together, it should be a 50/50 mix
Martini Pizza Dolce
Slice your sponge into three and for each sprinkle with your martini mix
Put one layer of cake on your serving plate and add one layer of crema. On top of the this layer add the next slice of cake that is well sprinkled with your Martini water mix, continue till you have finished with all layers and crema