Note: These brownies are low-fat (23%) and low cholesterol. This recipe makes dozen bars at 167 calories each. Preheat oven to 350. Line 20 cm square pan with aluminum foil, overlapping at two ends by 4 cm. Spray foil with non-stick spray. Sift together first four ingredients onto wax paper. Combine chocolate and margarine in saucepan over lowest heat,