Pull collective to increase torque and stop the rotation. Stir the cyclic to shed lift and start descending. Pump the collective to reduce lift and continue descending without starting to spin again. (Actually, in this phase the collective stays down more than up so that you descend, and you pump it up to control the rotation.) Stop stirring the stick when you get close to the ground to avoid dynamic rollover. Set 'er down on a collective down stroke. That's how we do it here in the wilds of Northern Alberta where there's nothing but swamp and boreal forest as far as the eye can see.
Practice with an instructor!