Make the ube dough

• Warm the milk and combine it with the yeast and a spoonful of the sugar; let it sit until foamy.
• Mix in the flour, remaining sugar, melted butter, egg, salt and ube extract until a soft dough forms.
• Knead on a floured surface until smooth and elastic.

Let the dough rise

• Place the dough in a lightly oiled bowl, cover and leave in a warm spot until doubled in size.

Roll and fill

• Roll the dough into a large rectangle on a floured surface.
• Spread the softened butter over the dough, then sprinkle with brown sugar and cinnamon.
• Spread the blueberry jam evenly over the surface.

Shape the rolls

• Roll the dough up tightly from the long side and cut into even slices.
• Arrange the rolls in a buttered baking dish.

Second rise

• Cover the dish and let the rolls puff up in a warm place.

Bake

• Bake the rolls in a preheated oven at 180 °C until golden and cooked through.

Make the ube cream cheese glaze

• Whisk the cream cheese with the powdered sugar and ube extract until smooth.
• Spread the glaze over the warm rolls and serve.