1Pre-heat oven to 350 degrees
Cream together butter and sugar, add eggs and beat till nice and smooth. Sift dry ingredients together. Melt chocolate in the boiling water. Add dry ingredients alternately with the milk. When all blended add the melted chocolate. Pour into a 9X13 square pan or 2 - 9 inch layer pans and bake for about 25 minutes at 350.
Beat butter till very creamy, add the egg yolk and beat in confectioners sugar a little at a time. Beat till light and fluffy and add lemon juice to taste and to make a good consistency. Add some lemon zest if you have a fresh lemon for more flavor!