1 1/2 c. sugar
1/2 c. corn starch
3 egg yolks
1/2 tsp. vanilla
1/2 c. coca
1/4 tsp. salt
2 1/2 c. milk
1 cooked pie shell
1 container Cool Whip topping

Mix sugar, corn starch, cocoa and salt. Then add a half cup of milk and egg yolks. Blend these ingredients. Add remaining two cups of milk. Heat mixture in double boiler, stirring until mixture is thick. Add vanilla, cool, then pour into pie shell. Top with Cool Whip.