Adapted from Food Network Magazine
1 2/3 cups sugar
3/4 cup (1 1/2 sticks) butter, melted
2 tablespoons water
2 teaspoons vanilla
1 1/3 cups flour
3/4 cup cocoa powder
1/2 teaspoon baking soda
1/4 teaspoon salt
1/2 cup (1 stick) butter, at room temperature
1 1/4 cups powdered sugar
3 tablespoons cocoa powder
2 tablespoons milk
1/2 teaspoon vanilla
Preheat oven to 350º. Grease 9 x 13 pan.
Combine sugar, butter and water in large bowl. Mix in eggs and vanilla. Sift flour, cocoa, baking powder and salt into egg mixture. Stir until combined. Spread into prepared pan.
Bake for 18-23 minutes (mine took 20 minutes) or till toothpick inserted into center of brownies comes out slightly sticky. Cool on wire rack while making frosting.
To make frosting, place butter into medium bowl. Sift cocoa and powdered sugar into bowl. Add milk and vanilla. Using hand mixer, beat till well combined. Spread on cooled brownies.