Stir flour and salt together. Cut or rub in butter with your fingers until mixture resembles coarse crumbs. Add the topfen and quickly knead it all together into a dough. With a mixer: using dough hooks or paddle attachment, mix flour, salt and butter on low speed until mixture resembles coarse crumbs. Mix in the topfen.
Store cooled turnovers in an airtight container for up to three days.
Austrian Polsterzipf with Topfen Dough https://livingoncookies.com/austrian-polsterzipf-with-topfen-dough/