I use a Rubbermaid Produce Saver, which is regular storage type, but has a little vent in it. It's not large enough for the whole dough, so I use it when I'm going to bake some right away. I just found out they have a 14-cup size! woohoo!

http://www.amazon.com/Rubbermaid-7J9..._bxgy_k_text_b

Karen