Super Soft Butter And Milk Buns

Dough

• 100 g water
• 290 g high protein flour (bread flour)
• 30 g fresh milk, chilled
• 30 g whipping cream, chilled
• 40 g sugar
• 1 egg, chilled
• 1 tsp dried yeast powder
• 20 g milk powder
• ¼ tsp salt
• 30 g butter, softened, plus extra for greasing

Filling

• 70 g plain flour
• 50 g icing sugar
• 100 g butter, softened, plus extra for greasing
• 30 g milk powder
• 1 egg yolk
• 2 tbsp fresh milk
• 1 pinch salt