Chocolate chip cookies are America’s favorites, according to The Great American Chocolate Chip Cookie Book (2013) by Carolyn Wyman. Invented in the 1930s, the recipe called for semisweet chocolate. Today, chocolate chip choices abound, and dark chocolate—which includes “semisweet” and “bittersweet” since there’s no legal distinction— has come a long way. Even Nestlé, which in 1940 launched chocolate morsels, now sells four styles of dark chocolate chips (plus quirky varieties including peanut butter, mint, and pumpkin spice). We bought 14 products labeled dark, special dark, bittersweet, or semisweet and sold as chips, oversize “super” chips, morsels, or chunks. In blind tastings, we sampled them plain and in our Perfect Chocolate Chip Cookies (May/June 2009).
Changing Chips
A few years ago, when dark chocolate bars got fancy with cacao percentages and…
