Preheat oven to 350ºF.
In food processor, pulse dates with 1 cup almond meal until the dates are finely chopped. Add remaining almond meal, cinnamon, nutmeg, cloves, ground ginger, soda, and salt. Blend well. Add egg, vanilla, and bacon grease. Pulse for 20-30 seconds (stop if the mixture starts to get greasy).
Mix bits of bacon into dough by hand (if using).
Form 1.5 inch balls and place on cookie sheet. Press lightly. Bake 8 – 10 min.