I used them both, but the ridiculous-looking kitchen unitasker, the OXO Good Grips 3-in-1 Avocado Slicer, became my go-to. I had it for almost seven years. It moved with me to two apartments.

You may find it easier to invest in an insulated carrier. The reliable company OXO Good Grips offers the reasonably priced Bakeware Carrier. The foam-insulated transporter fits a 9-by-13-inch ...