ORANGE PARK, Fla.– Midway through the dinner rush at the Loop Pizza Grill on a November night, the Rev. Becci Curtis, graduate of Princeton Theological Seminary and ordained minister in the Presbyterian Church, U.S.A., pulled a disposable glove onto her right hand and plunged it into a container of shredded romaine. Her mission, at the moment, was to assemble a Gorgonzola salad.