3/4 c. brown sugar, packed
1/3 c. flour (all-purpose)
1/2 tsp. salt
2 1/2 c. milk
6 tbsp. Hershey's chocolate flavored syrup
2 egg yolks, well-beaten
2 tbsp. butter
1/2 tsp. vanilla
9-inch baked pie shell

Thoroughly combine sugar, flour and salt. Stir in the milk, chocolate syrup and beaten egg yolks. Cook over medium heat until thick, stirring constantly. Remove from fire; blend in butter and vanilla. Pour into baked pie shell; cool. Chill in refrigerator. Serve with sweetened whipped cream, if desired.