Wouldn't this salad make a healthful addition to your pizza for dinner? iStockphoto hide caption

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The cardoon is like "celery on steroids," says McLaglan. Aya Brackett/Ten Speed Press hide caption

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(From left) Strawberries and cream gelato; peanut butter ice cream sandwich; dirty mint chip. Brian Leatart/Courtesy of Houghton Mifflin Harcourt hide caption

itoggle caption Brian Leatart/Courtesy of Houghton Mifflin Harcourt

Thousands of students from around the world flock to courses near Bologna, in central Italy, at the headquarters of Carpigiani, the leading global manufacturer of gelato-making machines. Giuseppe Cacace/AFP/Getty Images hide caption

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The Smitten Ice Cream shop in the Hayes Valley of San Francisco serves fresh ice cream with one novel ingredient: liquid nitrogen. The shop is located inside of a repurposed shipping container. Alan Greenblatt/NPR hide caption

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A girl checks out the options at Rocky Point Creamery in Tuscarora, Md., one of seven farms on the state's ice cream trail. Ebony Bailey/NPR hide caption

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