Traditional Danish Shrovetide Buns

Ingredients

• 175 g full fat milk
• 50 g butter, melted
• 20 g fresh yeast
• ½ tsp flake salt
• 1 tbsp sugar
• 1 tsp ground cardamom
• 300 g plain flour (plus some for rolling out the dough)
• 1 egg
• ½ vanilla pod
• 2 heaped tbsp sugar
• 1 tbsp cornstarch
• 25 g softened butter
• 25 g sugar
• 25 g marzipan
• 2 tbsp finely-chopped pistachio nuts
• 1 egg for egg wash
• 2-3 tbsp cold water
• Chocolate topping:
• 100 g plain chocolate
• 15 g butter