Preheat oven to 350 degrees and place the pie dish onto a cookie sheet

Using a large bowl and hand mixer, cream together the butter and sugar

Beat in the eggs, one at a time

Beat in the buttermilk, flour, vanilla, salt, and nutmeg until combined

Pour into the pie dish and bake for 55-65 minutes or until set

Allow to cool completely before placing into the fridge overnight

Using a small pot, bring the pumpkin spice cream to a slow simmer

Pour over the chocolate chips in a heat safe bowl

Whisk until smooth

Pour over cold pie and smooth evenly

Cut and serve