February 14, 2019, 11:36 am

Grotto Pizza's super-secret dough recipe; 10 more fun facts about Delaware's best known pizza

 14-02-2019 11:36 AM

In the nearly 60-year run of Grotto Pizza, only a dozen people have known the secret dough recipe and each have signed a non-disclosure agreement.

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Delaware Online | Wilmington
Delaware Online | Wilmington

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