My Mississippi friend introduced me to this recipe! Instant hit

1. Preheat your oven to 350°F (175°C).
2. In a medium bowl, combine the chocolate cookie crumbs and the 1/3 cup of melted butter. Press this mixture firmly into the bottom and up the sides of a 9-inch pie pan to form the crust.
3. In a separate large mixing bowl, whisk together the sugar, cocoa powder, and 1/2 cup of melted butter until well combined.
4. Add the eggs and vanilla extract to the mixture, whisking until smooth.
5. Stir in the flour just until incorporated, then fold in the chopped pecans.
6. Pour the filling into the prepared crust and bake for 20-25 minutes, or until the center is set.
7. Remove the pie from the oven and immediately sprinkle the mini marshmallows on top. Return the pie to the oven for about 2 minutes, just until the marshmallows are slightly puffed.