Fabulous Fudge - cooking recipe

Ingredients

4 sq. unsweetened Baker's chocolate
1/4 lb. butter (not margarine)
1 egg
1 tsp. vanilla
1 lb. confectioners sugar
1/4 c. condensed milk

Preparation

Melt butter and chocolate in double boiler.
Mix rest of ingredients (milk, sugar, egg and vanilla) on medium speed of mixer.
Pour in chocolate mixture and blend again until smooth (medium speed). Pour into buttered dish, put in refrigerator and let cool.