Note: These brownies are low-fat (23%) and low cholesterol. This recipe makes 12 bars at 167 calories each. Preheat oven to 350. Line 8" square pan with aluminum foil, overlapping at two ends by 1 1/2". Spray foil with non-stick spray. Sift together first four ingredients onto wax paper. Combine chocolate and margarine in saucepan over lowest heat,