Heat oven to 325 degrees F. Spray bottom only of Medium Bar Pan with
nonstick cooking spray.
For brownies, in Small Batter Bowl, combine flour, baking soda and salt;
Place butter and chocolate in Classic Batter Bowl. Microwave, uncovered,
on HIGH 1 minute; stir. Microwave an additional 15-30 seconds or until chocolate
is completely melted, stirring after 15 seconds.
Stir brown sugar into chocolate mixture until well blended.
Add eggs, water and vanilla; mix well.
Add flour mixture; mix until well blended. Pour batter into pan.
Bake 25-28 minutes or until Cake Tester inserted in center comes out almost
clean. Do not over-bake.
Remove from oven to Stackable Cooling Rack; cool completely.
For frosting, place chocolate in Small Micro-Cooker. Microwave, uncovered,
on HIGH 1 minute to 1 minute, 15 seconds or until chocolate is melted and smooth,
stirring after each 15-second interval. Add whipped topping; microwave on HIGH
15 seconds and stir until completely blended. Add powdered sugar; mix until
smooth. Immediately spread frosting evenly over cooled brownie using Small Spreader.