Consumers in Memphis, Tenn., will have several self-serve yogurt shops to choose from in the coming years, as the trend grows with the addition of concepts including Sweet CeCe's Frozen Yogurts and Treats, Yo!Gurt Nation, Yogurt Mountain and YoLo Frozen Yogurt. Typically, self-serve shops charge per ounce for customer-created tubs of yogurt and toppings.

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