2Beat eggs slightly, stir in white sugar, salt and vanilla. Gradually stir in milk. Add 1/2 cup coconut to filling, and reserve remaining 1/2 cup for the top. Pour filling into pie shell.
3Bake at 400 degrees F (200 degrees C) for 25 to 30 minutes, or until knife inserted into center of pie comes out clean. Cool pie completely.
4Before serving, mix 1/2 cup coconut with butter and brown sugar. Sprinkle on top of pie. Broil, about 3 or 4 inches away from heat, for 2 to 4 minutes.