Prepare the apples by peeling, coring, and slicing them
Zest and juice the orange
In a bowl, whisk together eggs and caster sugar
Add melted butter, milk, and vanilla extract to the egg mixture
Stir in ground cinnamon and ground nutmeg
Fold in the plain flour until just combined
Layer the sliced apples in a baking tin, alternating with the batter
Bake until the cake is golden and set, adjusting temperature and time if needed to evaporate excess moisture
Glaze with warm apricot jam
Dust with icing sugar before serving
