Cinnamon rolls

Steps

• 1
  Crumble the yeast into a mug of cold milk and let it sit for a minute to dissolve.
• 2
  Measure the flour, sugar, and salt into a bowl, then mix with a whisk. Stir the yeasted milk (as the yeast may have settled at the bottom) and pour it into the flour mixture. Add the egg and start working the dough. When the mixture resembles coarse crumbs, add the cold, diced butter in two or three batches. Knead until you get a smooth, shiny, and non-sticky dough – this takes about 5 minutes with a machine, or about 10 minutes by hand.
• 3
  Prepare the filling: mix the soft butter with the sugar and cinnamon. Stir with a wooden spoon or machine until you get a light, spreadable cream. The more thoroughly you work it, the easier it will be to spread on the dough.
• 4
  Divide the kneaded dough into two equal parts. Roll out each piece into a rectangle approximately 35 x 25 cm, and immediately spread half of the cinnamon butter on each. Roll up the dough along its longer side. Place the roll seam-side down, then cut it in half, then into quarters, and finally cut each quarter into three equal pieces. Place the rolls cut-side up on a baking sheet lined with parchment paper, evenly spaced (a baking sheet comfortably fits 6x4 pieces). Work quickly so the dough doesn't get too warm.
• 5
  Carefully cover the baking sheet with cling film and place it in the refrigerator overnight. The ideal temperature for proofing is around 5-6 degrees Celsius, so the dough will rise slowly but won't overproof. The exact time is not critical; it can rest in the refrigerator for 8-12 hours.
• 6
  The next day, preheat the oven to 210 degrees Celsius (top and bottom heat, without convection). Take the baking sheet out of the refrigerator, remove the film, and let it stand at room temperature for 15-20 minutes until the oven is fully preheated.
• 7
  Crack an egg into a small bowl, add one tablespoon of cold water, and beat thoroughly with a fork. Just before baking, brush the risen rolls with this mixture using a pastry brush.
• 8
  Place the baking sheet on the middle rack of the oven and bake the rolls for about 15 minutes, or until they are nicely risen and golden brown.