Nuts, espresso, and lots of chocolate go into these dark, rich rounds.
Recipe: Chocolate chocolate-chip cookies
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Tip:
To measure flour, hold the handle of a metal or plastic measuring cup and dip it into a bin of flour. Use a blunt knife to sweep the excess off and level the top.
(Food styling/Sheryl Julian and Karoline Boehm Goodnick; Mark Wilson/Globe Staff)
