Combine the water, milk, yeast and 1 tsp of sugar to bloom yeast.
In a stand mixer add the flour, salt and remaining sugar and mix to combine everything.
Add the yeast mixture and mix on a low speed. You may need to stop and scrap down the edges.
Once you have a shaggy dough, add the butter in two parts mixing on a low speed in between each addition. Again you may have to stop and scrap down edges until incorporated. Once a rough dough has form turn the speed up to a medium speed and mix until you have a smooth dough. This whole step can take up to 10-14 minutes.
Place a in lightly oiled bowl, cover with a damp towel and place in a warm place. Allow to double in size (1 to 2 hours).
Add all the caramel ingredients except the single cream to a pan. Mix on a low heat until everything has combined, and sugar has melted. Do not let mixture bubble as the butter will split.
Allow to cool for a few minutes before adding single cream. Set aside to cool.
Once dough has risen place on a lightly flour surface and roll. It needs to be 1/4 inch thick and 20 inches long and 10 inch wide.
Brush all of the melted butter on the dough and the sprinkle the cinnamon sugar all over.
From the longest side begin to roll, ensuring it's nice and tight.
Cut 1/2 inch off the each side of the log and then cut into 9 equal pieces (around 2.25 inches each).
Pour the caramel into a baking pan then cover in pecans. Place the buns in the tray ensuring they have at least 1/2 inch around each one to expand. Cover with damp towel and allow the buns to rise for an hour or doubled in size.
Bake at 180c for 30 to 35 minutes.
Cool for 5 minutes and then flip out of pan.