Preheat the oven to 450
Keep the butter for the biscuits in the fridge until ready to use
Remove only the butter for the herb butter and bring to room temp
Mix together flour, baking powder, cinnamon, Nutmeg, Kosher salt
In another bowl mix together the pumpkin and buttermilk
With a box grater, quickly grate the cold butter into the dry ingredients
Stir to combine the wet ingredients with the dry ingredients, do not over mix, It should be shaggy and crumbly looking
Turn the dough out onto a clean floured surface
Create the shape of a rectangle with your hands
Fold the dough over 2- 3 time and bringing back to the rectangle shape
Cut the biscuits into your desired shape.
Line a baking sheet with parchment paper or butter the pan
Once the oven is pre-heated brush the tops with a little buttermilk
Chill the uncooked biscuits for 15 minutes
Bake for 18-20 minutes until golden brown on top
Move to a rack when done
Make the herb butter while the biscuits are baking by adding all the ingredients together
Serve the biscuits warm with the butter