Christmas Morning Sticky Buns

Name: Christmas Morning Sticky Buns
Prep time: 15 min
Cook time: 17 h 50 min
Total time: 17 h 50 min
Yield: 12 pieces
Ingredients: 180 g milk; 80 g unsalted butter; 4 egg yolks; 1 large egg; 1 Tbsp granulated sugar; 2 ¼ tsp dried instant yeast; 480 g plain flour; 1 tsp fine sea salt; 160 g unsalted butter; 160 g double cream; 320 g dark brown sugar; 1 ½ Tbsp vanilla bean paste; 200 g pecan nuts; 50 g dark brown sugar; 50 g caster sugar; 1 tsp ground cinnamon; 1 pinch fine sea salt; 20 g unsalted butter