Blueberry Buns

Dough

• 2 tsp dried instant yeast
  或 20 g fresh yeast crumbled
• 2 medium eggs
• 110 g sugar
• 100 g milk
• 370 g strong white bread flour
• 50 g unsalted butter soft
• 1 tsp natural vanilla extract
• 1 pinch fine sea salt

Filling and Assembly

• 250 g fresh blueberries
  或 frozen blueberries
• 70 g sugar
• 30 g plain flour plus extra for dusting
• 1 medium egg lightly beaten, for brushing