Melt some more butter in a saucepan large enough to put a slice of brioche in. Do this over a low heat. When it has melted, add a slice of brioche and let it soak on one side

Place the brioche in the baking dish, butter-side down. Repeat until the base of the dish is covered with brioche

Now add in the sultanas, the chocolate (if using) and half the sugar. Cover with more brioche dipped in butter, but this time lay the brioche in butter-side up

Measure out your milk in a jug. Add in the eggs and whisk with a fork. Pour over the pudding. Add a sprinkling more sugar and a few sultanas

Let it sit for an hour (or until you’re ready to eat). Cook for 30 mins at 200ºC, serve and enjoy