Preheat oven to 350 degrees Fahrenheit.

Pour the beer into a sauce pan and bring to a boil. Boil the beer until it is reduced by half - about 5 - 10 minutes. Let the reduced beer cool.

Melt butter in a sauce pan. Add chocolate to the butter and melt over low heat, continually stirring until combined - about 5 minutes.

In a mixing bowl, add eggs and sugars and mix well. Add in the reduced beer, vanilla, butter and chocolate mixture and salt and stir well to combine. Add in the flour and cocoa power to bowl and continue to stir until the mixture is combined.

Pour brownie mixture into a greased baking pan and put in the oven for 25 - 30 minutes, until a toothpick comes out clean.

Let cool and serve with fresh berries and a beer!