Kit Kat Cotton Candy is hitting Costco shelves, and shoppers can’t get enough. Here’s what you need to know about this exclusive new flavor.

To make the chocolate wafers, melt the chocolate in a heatproof bowl set over a pan of hot water, then remove from the heat. Spread the melted chocolate on baking paper in the shape of a large square.

Food is a great souvenir. Years ago in London I came across packets of chocolate-coated cookies made by Cadbury that I could stuff into my carry-on bag.