Japanese milk bread - Ankarsrum Canada

Ingredients

• 250 ml lukewarm milk, 37 °C (98 °F)
• 1 tsp sugar
• 2 tsp dry yeast (7 g)
• 390 g all-purpose wheat flour
• 45 g sugar
• 1 tsp salt
• 1 egg + 1 egg yolk
• 75 g room temperature butter
• 1 egg
• 1 tbsp milk
• 1 pinch of salt
• Neutral oil
• Room temperature butter