To be able to hand toss the dough it must have a very strong gluten structure. You need to take steps to build strong Gluten or your dough will tear too easy. First you need High gluten flour same as high protein. The highest gluten flour you can get at the grocery store is Bread Flour. King Arthur offers a very high gluten flour but you have to mail order this product. Other sources may be your local bakery. Here is a good recipe for NY style dough.

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