Once doubled , punch down each dough ball to remove air.Portion each ball of dough into 8 equal parts, cover with plastic wrap to keep them moist.
Take one light brown dough balls and roll it out into small rectangle. Roll the long side of the rectangle up tightly to form a long log. Repeat with all dough balls. Cover and set aside.
Next take a dark brown dough ball and roll it into a small rectangle, as long as the light brown log.
Wrap the dark brown rectangle around the light brown one and set aside.
Finally take one of the plain balls and roll into a rectangle. Roll the light and dark brown dough log inside of the rectangle and stretch to fit the pan. Place all the logs into the greased pan.
Cover the loaf pan in plastic wrap, set a sheet pan on top and set aside to rise for another 50 minutes.
Halfway through the proof, preheat oven to 175C /350F degrees. When dough has risen, brush the top of the loaf with soy milk and bake for 35-40 minutes.
When loaf is done, remove from the oven and allow to cool in the pan for about 10 minutes, then transfer to a wire rack for at least one hour before slicing and serving.