Grandmother Ray'S Chocolate Pie - cooking recipe

Ingredients

1 1/2 c. sugar
2 Tbsp. cocoa
1/4 c. cornstarch
3 c. milk (Carnation and regular)
4 egg yolks
1 Tbsp. butter
1 tsp. vanilla

Preparation

Mix the first 5 ingredients; cook over medium heat until very thick.
Add the butter and vanilla.
Let set 5 minutes.
Pour into baked pie shell.