Method

• Make the dough: In a small bowl, combine the warm milk, yeast, and sugar. Let stand for 5 minutes, or until the yeast is foamy.
  
  
• In a large bowl, whisk together the melted butter, egg, flour, and salt.
  
  
• Add the yeast mixture to the dry ingredients and stir until a dough forms.
  
  
• Turn the dough out onto a lightly floured surface and knead for 5-7 minutes, or until smooth and elastic.
  
  
• Place the dough in a greased bowl, cover with plastic wrap, and let rise in a warm place for about 1 hour, or until doubled in size.
  
  
• Make the filling: In a small bowl, combine the butter, brown sugar, and cinnamon.
   
• Roll out the dough: Roll out the dough on a lightly floured surface to a 12-inch rectangle.
  
  
• Spread the filling: Spread the butter-sugar-cinnamon mixture evenly over the dough.
  
  
• Roll up the dough: Roll up the dough tightly from the long side.
  
  
• Cut into slices: Cut the rolled dough into 12-15 slices.
  
  
• Place on a baking sheet: Place the slices on a baking sheet lined with parchment paper.
  
  
• Let rise: Let the slices rise for another 15-20 minutes.
  
  
• Bake: Bake in a preheated oven at 375°F (190°C) for 10-12 minutes, or until golden brown.
  
  
• Make the glaze: In a small bowl, whisk together the powdered sugar and milk until smooth.
  
  
• Glaze the korvapuusti: Drizzle the glaze over the cooled korvapuusti.