Buchteln with vanilla custard (Sweet Austrian rolls) - Cookidoo® – the official Thermomix® recipe pl

Ingredients

• 220 g milk
• 2 tsp dried instant yeast
• 30 g caster sugar
• 2 tsp natural vanilla extract
• 180 g unsalted butter
• 330 g baker's flour
• 2 egg yolks
• 1 pinch sea salt
• 1 lemon
• oil
• 12 tbsp jam
• 250 g milk
• 250 g pouring (whipping) cream
• 4 egg yolks
• 1 - 2 tbsp rum
• 1 tsp vanilla bean paste
• 20 g cornflour
• 50 g caster sugar
• icing sugar