Step 1

Preheat oven to 400 degrees.

Step 2

Mix eggs, sugar, cocoa powder, flour, butter, evaporated milk, and vanilla in a medium bowl until just combined. Do not overmix.

Step 3

Pour into pie crust.

Step 4

Bake at 400 degrees for 10 minutes and then reduce to 350 degrees for 30 minutes or until center puffs up a bit.

Step 5

Allow to cool for the pie to completely set and serve.