How to Butterfly Turkey Breasts
Place both breast pieces, skin-sides up, on cutting board; carefully cut horizontally in half starting at the thickest long side of each piece, being careful not to cut all the way through to opposite side. Open each like a book, then top with stuffing mixture as directed.
How to Pound the Turkey Breasts
Place each butterflied breast half between 2 sheets of plastic wrap, then pound with meat mallet or rolling pin to 1/4-inch-thickness.