1 1/2 bars (3 squares) unsweetened chocolate
2/3 c. butter
1 c. sugar
1 egg
1 c. flour
1 tsp. vanilla
1 tsp. salt

Melt butter and chocolate together. Stir in the rest of the ingredients. Pour into 8x8 inch greased pan. Bake at 350 degrees for 15 to 30 minutes.