Lightly spoon flour into dry measuring cups; level with a knife. Combine flour, cornmeal, potato, and spice in a large bowl. Combine buttermilk and eggs; add to flour mixture, stirring until smooth.
Heat 2 teaspoons oil in a large nonstick skillet over medium heat. Spoon 2 tablespoons batter per fritter into hot pan; cook 3 minutes on each side or until golden brown. Repeat procedure with remaining oil and batter. Serve fritters with molasses.