Place all ingredients except pecans into a high speed blender and blend until smooth. Add more liquid if required.
Add more or less sweetener desired to taste.
Coconut Whipped Cream
Place can of coconut milk in the fridge overnight.
Remove can, turn upside down and open with a can opener.
Drain out all coconut water.
Remove hardened coconut milk from the can and place into a bowl with maple syrup and vanilla and blend on high speed with a hand mixer until smooth and fluffy.
Place a dollop of coconut whipped cream on top of the pumpkin pie milkshake and garnish with pecans.