Pre Bake your 9" pie crust in a preheated 400 degree oven for 12-15 min until golden brown. In Saucepan combine sugar, cornstarch, 1/2 t salt, milk, & egg yolks. Cook over med heat stirring constantly, until thick and creamy, remove from heat.
Add vanilla, coconut ext, and butter, mix until butter melted.
Stir in shredded coconut.
Pour into the pre-baked pie crust. Cool. When cool, if you like meringue (which I don't) beat egg whites with 1/8 C sugar, 1/2 t cream of tartar and 1/2 t. vanilla til stiff peaks form. put over top of cake. Make peaks by tapping top with a spoon.
Put in 350 degree oven til peaks turn brown. ENJOY!