2 sq. unsweetened chocolate (or 3 heaping tbsp. cocoa)
1 c. butter
2 c. sugar
3 eggs
2 c. flour
1/2 tsp. salt
1 tsp. vanilla
1/2 c. nuts, chopped (optional)
1/4 tsp. baking powder

Place the chocolate and butter in pan over medium heat to melt. Add sugar; mix and cool. Add eggs, 1 at a time and beat with a spoon. Add vanilla and stir in remaining ingredients. Pour into 10 x 15-inch pan to bake at 325 degrees for 30-35 minutes. Top with Versatile and Easy Frosting.