On a cutting board, slice each chicken breast into 2-3 thin slices. (about 1/4-1/2 inch thick) You do this by placing the chicken breast, flat on the board, and laying your hand on top. Hold your knife sideway (parallel to your hand and the board), and cut into the breast. Eyeball it and cut 1/4 inch above the cutting board, leaving a thin chicken slice. I typically can do this 1-2 more times with each breast. It just depends on the thickness.