Preheat oven to 350 degrees.
In a large bowl mix together melted butter and sugar. Stir in the eggs until it's creamy.
Stir in the coconut milk, vanilla, and cocoa powder until dark and chocolatey.
Stir in the pumpkin.
Place on top of the wet ingredients the flour, pumpkin pie spice, baking powder, and salt. Stir until all of the ingredients are combined.
Slow stir in the chocolate chips.
Spray a 12-cup muffin pan with cooking spray and divide the batter among the 12 cups.
Bake for 18 - 20 minutes.
Let cool for 5 minutes in the pan and then finish cooling on a wire cooling rack.