It's irritating, but you could go thru and wrap each piece of bread or pairs of bread into its own plastic wrap in the freezer. Doesn't save on plastic, but it does prevent them from freezing together.
Else, just microwave the entire loaf every time you need to peel it apart. Microwave it as little as possible, only to the point you can unpeel it.
Start date: Sept. 2013 at 216lbs
End date: Summer 2014 or sooner, whatever weight gives me a flat stomach. I'm apple-shaped.
216: size 16 jeans, XL shirts
185: size 14
170: size 12, L shirts
165: size 10
159: size 8, M shirts
150: size 6