When buying a cardboard carton of ice cream at the grocery store, use this trick to prevent freezer burn: gently press on the lid of the container. If you can feel the ice cream directly under the container, you've picked a good one. If you feel squishy-ness or empty space under the lid, the ice cream has likely melted in transit and then been re-frozen, which results in unappetizing texture and possible freezer burn.
