Swedish Cinnamon Buns with Poolish Starter

Method

1. In a small bowl, dissolve yeast in warm milk. Let sit for 5 minutes.
2. In a large bowl, mix 1 cup flour, sugar, and salt. Add the yeast mixture and egg. Beat until smooth.
3. Gradually add remaining flour, 1/4 cup at a time, until dough is soft and elastic.
4. Knead in the butter until fully incorporated. Cover and let rise for 1 hour.
5. Roll out dough into a rectangle. Spread with cinnamon sugar mixture.
6. Roll up the dough, cut into 12 pieces, and place on a baking sheet.
7. Bake at 375°F (190°C) for 15-18 minutes until golden.
8. In a small bowl, mix powdered sugar and milk to make a glaze.
9. Brush the glaze over the warm buns and sprinkle with sesame seeds.