• Preheat oven to 350 °F
• Spray a 9x13 inch baking dish with non-stick cooking spray.
• In an electric mixer bowl, add the melted butter and cocoa powder. Using the paddle attachment, blend until smooth.
• Add the flour and sugar and beat together, then add eggs and vanilla. Mix just until combined. Don't over mix.
• Pour the batter into the baking dish and spread out evenly. Bake 25 to 30 minutes or until a toothpick inserted into the center comes out clean.
• Remove brownies from the oven and allow to cool for at least 15 minutes before frosting. The brownies should be warm when you frost them.

Frosting

• Beat together all of the ingredients for the frosting until smooth. Pour over the brownies and spread.