For the baked apple, place the raisins, butter, honey and orange zest into a small bowl and mix well.
Place the apple onto a microwave-proof plate and stuff the raisin mixture into the hole left by removing the core.
Cook in the microwave on high for 3½ minutes, or until softened.
For the custard, place the milk and cream into a saucepan and bring up to the boil. Remove from the heat and allow to cool slightly.
Place the egg and egg yolk and the sugar into a bowl and mix well. Gradually pour the milk and cream over the egg mixture, then return the mixture to the pan over a gentle heat. Stir constantly until the custard starts to thicken. When it coats the back of a spoon, remove from the heat and pour through a sieve into a jug or bowl.
To serve, place the baked apple onto a plate and pour over the custard.