Prepare dough in a mixer: blend flour, salt, and butter until absorbed.
Add eggs and just enough milk to form a dough. Let rest.
Mix filling ingredients: dice meats and cheeses, then stir with ricotta, eggs, pecorino, and pepper.
Roll out ⅔ of dough and line a greased 9” springform pan. Fill with mixture.
Roll remaining dough and cut strips to make lattice top. Brush with egg wash.
Bake at 350°F for 1 hour 15 minutes. Let cool before slicing.
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