1. Preheat oven to 325'F. 2. Melt chocolate on a large square of aluminum foil in a very low oven, br 3. Grease and flour an oblong shallow baking pan, preferably glass, 12x8x2" 4. Sift flour, baking soda, and salt onto waxed paper and set aside. 5. Beat butter in a large bowl until very light and fluffy (easier with an 6. At this stage the batter will be thin. Pour at once into prepared pan an