Preheat the oven to 190°C/375°F/Gas mark 5
Sift together the flour, baking soda, nutmeg and salt; set aside. Cream together the butter and sugar; beat until well-blended. Add the vanilla and lemon peel; mix to blend thoroughly. Add flour mixture alternately with sour cream, mixing until smooth after each addition.
Drop by tablespoons, placed well apart, onto well-greased baking sheets. Sprinkle each cookie lightly with granulated sugar. Place one or two raisins in the center of each. Bake until cookies are golden brown (12 to 14 minutes). Remove at once to wire racks to cool.
