Yogurt Panna Cotta with Dates and Pedro Ximenez

Yogurt can transform a common dessert into something completely new. You could, for example, use it in lieu of the ricotta in an Italian cheesecake to get something lighter and smoother than the New York–style version, whose stronger cream cheese lacks the signature gentle tartness that is specific to yogurt. That same levity and subtle tangy flavor can transform a panna cotta, which can be on the bland side, into something refreshing and surprising. This one is paired with dates that are s