Chocolate Pie - cooking recipe

Ingredients

4 egg yolks, plus 1 c. sugar (mix together well)
3 Tbsp. cocoa (very full)
4 Tbsp. flour (very full)
1/4 tsp. salt
2 1/2 c. ice cold milk
3 Tbsp. oleo
2 tsp. vanilla

Preparation

Mix as listed.
Cook, stirring continually, until thick.
Add oleo and vanilla.
Pour into a cooked pie shell.
Top with egg white meringue and brown.
This is a very old recipe.