Nutella Steamed Dumplings

Ingredients

• 6 piece:
• 250 g flour
• 1 egg
• 110 g milk
• 30 g sugar
• 1/2 package dry yeast (1,5 dekagram friss)
• 1 tablespoon butter
• Rise: at least 1 hour, formázás után about 20 minutes
• Közepébe 1-1 tablespoon Nutella (fagyasztva)
• Steaming: 15-20 minutes
• 500 ml milk
• 3 egg yolk
• 80 g sugar
• vanilla aroma (or kikapart)
• 1 tablespoon starch