Mix shortening, sugar and eggs well. Stir in soured milk. Blend dry ingredients, stir in to wet mixture. Stir in the pecans, cherries and dates. Chill at least 1 hour. Heat oven to 400°F. Drop heaping teaspoons of dough about 2" apart on lightly greased cookie sheet. Place a pecan half on each cookie if desired. Bake 8 to 10 minutes until almost no imprint remains when touched lightly. Yield: 8 dozen. Note: If using self rising flour omit soda and salt.