Preheat the oven to 350℉. Spread the pecans as a single layer and roast for 5-6 min. Remove from the oven and cool completely.
Make the tangzhong by making a lump free mixture of flour, milk, and water. Cook until you get a thick paste. Set aside to cool.
Add all the ingredients to the bread machine bowl and add the yeast last. Set the machine on dough cycle for the dough to prove. Alternatively, you can knead the dough manually too.
When the dough proves, make the maple brown sugar mixture. Add maple syrup, milk, butter, vanilla, salt, brown sugar to a pan and gently heat until everything dissolves.
Carefully pour the maple brown sugar mixture on top of the pecans and set aside for it to set.
Mix the cinnamon, brown sugar, salt, and vanilla together to make the cinnamon filling. Set aside.
When the dough has doubled in size, punch and knead the dough. Roll it into a 12x18-in rectangle. Spread the cinnamon sugar mixture evenly.
Cut the rectangle into one and a half inch strips.
Roll each strip into a coil and place it on top of the maple-pecan mixture. Cover and let the dough prove for 30-40 mnutes. Preheat the oven to 375℉.
Brush with milm and pour the heavy cream on top of the rolls. Bake at 375℉ for 24 min
Cool the rolls for 5 min. Then invert the pan onto a serving platter carefully. Cool the rolls.
Pull apart each piece and serve warm.