Step 1

Preheat the oven to 350 degrees.

Step 2

In a large bowl, whisk together the sugar, cocoa and salt. Add the melted butter and blend until combined.

Step 3

Add the eggs to the mixture and beat with an electric mixer at medium speed for 3 minutes.

Step 4

Gently stir in the evaporated milk and vanilla until incorporated..

Step 5

Fit the unbaked pie crust into a 9-inch pie pan and flute the edges or crimp with a fork.

Step 6

Pour the batter into the pie shell and bake for 1 hour, until the top is almost set. Remove from the oven and cool completely. Dust with confectioner's sugar and serve with whipped cream, if desired.

Step 7

Place the heavy whipping cream in a bowl and beat with an electric mixer just until you begin to see peaks starting to form.

Step 8

Add 1 tablespoon confectioner's sugar and 1/2 teaspoon vanilla extract and continue beating until stiff peaks form.