1/2 cup milk
1 1/2 cups white sugar
1/4 cup evaporated milk
1 teaspoon vanilla extract
1 cup buttermilk
3 eggs
1 cup semisweet chocolate chips
In a large saucepan over medium heat, mix milk, sugar, milk chocolate chips and evaporated milk. Bring to a boil, whisking constantly.
Heat oven to 350 degrees F (175 degrees C).
Remove from heat and pour chocolate mixture over pie, inches from sides.
Bake in center of oven for 60 minutes or until knife inserted in center comes out clean. Cool completely.