Ensure yeast does not directly touch salt or sugar when adding to the bowl.

Mix all ingredients except butter and knead for 5 minutes by hand or mixer.

Add butter and knead for 15–20 minutes until smooth.

Cover dough with plastic wrap and let it rise in a warm place (40°C) for 50 minutes.

Deflate the dough gently and divide into 3 equal portions. Shape into balls.

Cover dough balls with plastic wrap and let them rest for 15 minutes.

Prepare condensed milk sauce by mixing melted butter and condensed milk.

Spread 2 tbsp of condensed milk sauce in each baking tin (15.5cm×8.9cm×4.3cm).

Roll dough into 12cm×20cm rectangles. Spread 1 tbsp condensed milk and sprinkle 1 tbsp sugar on each.

Roll dough tightly and cut into 2cm slices.

Place slices into prepared tins and cover with plastic wrap. Let rise in a warm place (40°C) for 40 minutes.

Brush tops with milk and bake at 170°C for 15 minutes until golden brown.