1Preheat oven to 350 degrees F (175 degrees C). Lightly grease a 9 inch square baking pan.
2Combine flour, baking soda, spices and salt and set aside. In a large bowl, cream together shortening and brown sugar. Beat in the eggs one at a time.
3Add in the lemon juice and zest. Gradually blend in the dry ingredients. Stir in raisins. Spread batter evenly in the prepared baking pan.
4Bake 25-30 minutes until lightly colored on top. Cool in pan on wire rack. May be drizzled with a simple confectioners' sugar icing. Cut into large or small bars.