1/2 c. butter
1 1/2 (1 oz.) sq. unsweetened chocolate
1 c. firmly packed brown sugar
1/2 c. sugar
2 eggs, slightly beaten
1 tsp. all-purpose flour
1 tbsp. milk
1 tsp. vanilla
1 deep dish pie shell

Melt butter and chocolate. Gradually add combined remaining ingredients to chocolate mixture. Bake at 325 degrees for 40 to 45 minutes until pie pulls away from crust.