By DAVID SWANSON / AFP For some, gravestones can evoke mourning, for others a tribute to a loved one, or, with a little imagination, a gaunt hand emerging from freshly turned earth. For some, gravestones can evoke mourning, for others a tribute to a loved one, or, with a little imagination, a gaunt hand emerging from freshly turned earth. But to the discerning eye, a scattering of gravestones contain recipes, and an American librarian has begun to explore them on TikTok, where her videos posted under the account @ghostlyarchive have drawn millions of views. Peach crumble, blueberry pie or fudg…