2 eggs
1 cup sugar
1 cup evaporated milk
1/2 cup water
4 tablespoon cocoa
2 tablespoon cornstarch
1 teaspoon vanilla
Beat eggs well. Add sugar, cocoa and cornstarch. Whisk in evaporated milk and water. Cook until thick. (Over medium high heat on the stove, stirring constantly. Or cook for about 4-5 minutes in the microwave. Whisking every minute or so.) Add vanilla. Pour into baked pie shell. Top with whipped cream.