Beat together the eggs, sugar, vanilla seeds and lemon zest using the whisk on a hand mixer for approx. 5 mins. until the mixture turns a paler colour. Stir in the Dessert Extrafin. Mix the flour with the cranberries, stir in. Transfer the mixture to the prepared tin and place on an oven tray. Mix the apple segments with the reserved lemon juice and push into the mix.
Bake for approx. 50 mins. in the lower half of an oven preheated to 180°C. Remove, dust with icing sugar.