Preheat your oven to 200 F for 2-3 minutes, then turn it off.
In a large bowl combine the warm milk together with the melted butter, 1 tablespoon sugar and yeast. Let sit until foamy, about 5 minutes.
Add the egg , flour, remaining sugar and salt and mix until the dough forms. Turn out the dough onto a lightly floured working surface and knead for about 5 minutes or until soft and smooth.
Lightly coat the bowl with olive oil or cooking oil spray and place the dough back into the bowl. Cover with a damp towel and transfer to a warm oven. Be sure to TURN OVEN OFF. Allow to rise for 30 minutes or until doubled in size.
On a lightly floured surface, roll out the dough into a 19-inch x 13-inch rectangle and ¼-inch thick.
Combine cinnamon and brown sugar in a small bowl. Brush with melted butter and sprinkle the sugar mixture evenly op top.
Spread about 1/2-3/4 cup of the blueberry sauce over the dough. Beginning at the long side, roll the dough into a log tightly . Pinch to seal the edges.
Trim the ends and cut into 10-12 slices.
Line a 9-by-13-inch baking pan with parchment paper or grease with a cooking spray. Arrange the rolls, cover with a towel and allow to rise for 30 minutes or until doubled in size.
Meanwhile, preheat your oven to 350 F.
Uncover the rolls. Bake for 20-25 minutes or until lightly golden. Remove from the oven and allow to cool slightly.