400驳/14录辞锄 rhubarb, cut into 5cm/2in pieces
75驳/2陆辞锄 plain flour
120驳/4录辞锄 caster sugar
icing sugar, to taste
2 tbsp granulated sugar
1 vanilla pod
20驳/戮辞锄 butter, plus extra to grease the dish
cr猫me fra卯che, to taste
150ml/5戮fl oz double cream
5 free-range whole eggs
150ml/5戮fl oz full-fat milk