You can make this pud a day ahead. Warm it gently in the just-turned-off oven covered with foil, while you eat your Sunday roast.
Heat oven to 170C/150C fan/gas 3.
Warm the cream and milk in a pan over
a gentle heat. Whisk the eggs, sugar
and vanilla together with a fork in a large
bowl, then gradually add the warm
Halve the buns and spread with the
butter. Arrange in a large shallow
ovenproof dish (approx 25 x 32cm),
dot with the marzipan and brush
the marmalade on top.
Pour over the cream mixture and
set aside to soak for 15 mins. Press
the buns down into the custard mixture
as they soften.
Bake for 50 mins until set, then remove
and allow to stand for 10 mins. Dust
lightly with icing sugar and serve while