- Preheat oven to 325 degrees 
- Whisk flour, cocoa, ginger, cinnamon, nutmeg, pumpkin pie spice, salt, baking soda & baking powder in bowl. 
- In mixer- beat butter & brown sugar with paddle attachment until well combined & fluffy. 
- Beat in eggs & molasses. 
- Reduce speed to low & add dry mixture 
- Beat until well combined & pulled away from sides of bowl 
- Gather & press flat onto cookie sheet- making a smooth layer. (you will have one large cookie rectangle) 
- Score cut marks into the dough with a butter knife. 
- Sprinkle with chocolate jimmies 
- Bake for 10 - 12 minutes 
- Remove & allow to cool in pan on wire rack.