Chocolate Pie - cooking recipe

Ingredients

2 sq. unsweetened chocolate
2 1/2 c. milk
3/4 c. sugar
6 Tbsp. flour
1/2 tsp. salt
3 egg yolks, slightly beaten
2 Tbsp. butter
1 tsp. vanilla
1 baked 9-inch pie shell
3 egg whites
6 Tbsp. sugar

Preparation

Add chocolate to milk; heat in double boiler.
When chocolate is melted, beat with rotary eggbeater to blend.
Combine 3/4 cup sugar, flour and salt.
Add gradually to chocolate mixture and cook and stir until thickened.
Then cook 10 minutes, stirring frequently.
Pour a small amount of chocolate mixture into egg yolks, stirring vigorously.
Return to double boiler and cook and stir 2 minutes longer.
Add butter and vanilla.
Cover and cool. Turn cold chocolate filling in shell.