Step 1

In a large mixing bowl, combine the flour and sugar.

Step 2

In a heavy saucepan, combine butter, shortening, coffee OR water and cocoa. Stir and heat to boiling.

Step 3

Pour boiling mixture over the flour and sugar in the bowl. Add the buttermilk, eggs, baking soda and vanilla. Mix well.

Step 4

Pour into a well-greased 15" jelly roll pan.

Step 5

Bake at 400°F for 20 minutes or until brownies test done in the center.

Step 6

While brownies bake prepare the frosting.

Step 7

In a saucepan, combine the butter, cocoa and milk. Heat to boiling and stir often.

Step 8

Mix in the powdered sugar and vanilla until frosting is smooth.

Step 9

Pour warm frosting over brownies as soon as you take them out of the oven. Spread frosting to edges right away with a butter knife if necessary. The frosting sets up quickly. Cool and enjoy!