-- Preheat oven to 350°F.
-- Sift together the sugar, cocoa, salt
and flour in mixing bowl and set aside.
-- Separate all four eggs.
-- Set egg whites aside in a large bowl
for the meringue.
-- Put the yolks in a heavy saucepan
and beat well with a fork or whisk.
-- Then stir in the sifted dry
ingredients alternately with the milk, adding just a little at a time to
keep mixture smooth.
-- Cook mixture over medium heat, and
add vanilla when it begins to boil.
-- Boil, stirring constantly, until
mixture thickens.
-- Remove from heat; beat out any lumps
that may have formed.
-- Pour into baked pie shell and top
with meringue while filling is still hot.
-- Beat the egg whites at high speed
with an electric mixer until soft peaks form.
-- With mixer running, add the cream of
tartar, then gradually add the sugar, a tablespoon at a time, and beat
until stiff peaks form.
-- Beat in the vanilla.
-- Pile atop the pie and seal edges to
the crust.
-- Bake meringue topped pie at 350°F
for 12-15 minutes until lightly browned.