We love garlic bread. We love thin slices. We don't like mashed, squashed, torn, messy, or thick slices. The best way to get fluffy uniform slices is to use a portaband saw.

Step 1: Easy to Use.

I normally use a wicker bread basket to catch my cuts but evidently its getting used as an Easter basket. Anyways. Pull open a drawer and put your bread receptacle below your cut spot and let the drawer serve as your third hand.
I cut a few here to show my technique.
Its a cut and repeat job from here.