Brownies

1. Preheat oven to 375°F. Line a 10×15 jelly roll pan with aluminum foil and coat lightly with nonstick spray. Set aside.
2. In large mixing bowl, whisk together flour, soda and salt. Set aside.
3. In a saucepan combine butter, cocoa, both sugars, and water. Bring to boil and then immediately remove from the heat.
4. In small bowl combine buttermilk, eggs and vanilla; whisk lightly with a fork. Slowly add this to the warm chocolate mixture, stirring constantly.
5. Pour this into the dry ingredients, and mix until smooth.
6. Pour batter into the prepared pan and bake for 20 minutes or until the center is set.

Frosting

1. When there is about 5 minutes left for the brownies to bake make your frosting.
2. In a saucepan, butter, cocoa powder and buttermilk. Cook on medium heat until just boiling and remove from heat.
3. Whisk in the powdered sugar and vanilla.
4. Immediately pour/spread the frosting over warm brownies.
5. Sprinkle with sprinkles immediately.
6. Serve warm or room temperature.