Cooking spray
all-purpose flour
ground cinnamon
pumpkin pie spice
kosher salt
baking powder
baking soda
(1 stick) butter, softened
packed brown sugar
granulated sugar
large eggs
(15-oz.) can pumpkin puree
Fireball whiskey
cream cheese, softened
powdered sugar
cold heavy cream
Fireball whiskey
ground cinnamon
Pinch cayenne (optional)
Pinch kosher salt
Caramel, for drizzling
Fireball nips, for serving