Having an outdoor party--how do I keep meat/cheese trays cold???

Here's what I've done: (1) Get a box of large zip lock freezer bags (2) Get some large shopping bags or small garbage bags (3) Get several bags of ice (4) Fill each freezer bag full of use, but keep them as flat as possible (5) Transport the trays with the freezer bags of ice surrounding them in the large shopping bag or small garbage bag (flat, of course) (6) When setting the table, lay the freezer bags over the serving trays until you're ready to unwrap them (7) If they'll lay flat enough, place serving trays on top of the freezer bags when you're ready to unwrap them I hope this helps! Another option is to fill the freezer bags with water ahead of time and freeze them VERY flat ahead of time. That way, you can be sure they'll lay flat enough under the trays when it comes time to open up the serving trays. The other option is, of course, if you forget to get them in the freezer on time! :)

If you are near a Sam's Club then there must be WalMart nearby and they sell dry ice by the pound. Using dry ice seems like the best way to keep this food cold to me. When you are done, you can use what is left to make pretty steam, like the mist in those New Age fountains.

Hmm, that is a good question. I was actually wondering the same thing. I can use a cooler cause mine fit, but I would rather not and have them on the table so it would be easier for people to eat.