12 tbsp. butter
1 tsp. vanilla
1 c. sugar
4 lg. eggs
4 oz. unsweetened chocolate
1/2 c. flour

Cream butter with vanilla until fluffy. Add sugar and flour and beat 3 to 4 minutes. Add eggs, one at a time and beat at high speed after each addition. Melt chocolate in small amount of water on low heat on the stove or in the microwave. Cool well. Add chocolate to mixture. Chill well and re-beat, if desired, before using it. Enough for 1 (3 layer) cake.