In top of double boiler, melt chocolate with oil. Remove from heat and beat in sugar replacement, eggs and vanilla extract. Stir in flour, baking powder and salt until well blended. Pour batter into well-greased 8" square pan. Bake at 350F for 25 to 30 minutes. Cut into 2" squares. Yield: 16 brownies, 77 calories each. Exchange, 1 brownie: 1/3 bread, 1 fat from _The Diabetic Chocolate Cookbook_ by Mary Jane Finsand