Nan'S Chocolate Pie - cooking recipe

Ingredients

1 c. sugar
2 (1 oz.) sq. unsweetened chocolate, chopped
1/3 c. flour
1/4 tsp. salt
2 c. milk
3 slightly beaten egg yolks
2 Tbsp. butter
1 tsp. vanilla
single pie crust, cooked

Preparation

In saucepan, combine sugar, flour and salt.
Gradually add milk and chocolate.
Cook and stir over medium heat until thick and bubbly, 2 minutes.
Remove from heat.
Stir small amount of chocolate mixture into eggs.
Add to saucepan of chocolate. Return to heat; cook for 2 minutes.
Remove from heat; add butter and vanilla.
Pour into cooked pie shell.
Top with whipped cream.