Killer Chocolate Brownies

Ingredients
- 1 1/2 cups butter, cut up
- 1 cup unsweetened cocoa powder
- 2 1/2 cups granulated sugar
- 6 large eggs
- 1 1/2 cups all-purpose flour
- 1 tablespoon vanilla extract
- 1/4 teaspoon salt
- 1 1/2 cups walnut pieces
- 2 ounces unsweetened chocolate squares, chopped
- 1/4 cup butter
- 1 1/2 cups sifted confectioners sugar
- 3 tablespoons milk
- 1 teaspoon vanilla extract
Directions
- 1. Heat oven to 350 degree F. Line a 13x9x2-inch baking pan with foil, letting foil extend at ends. Grease foil.
- 2. For the brownies, microwave the 1-1/2 cups butter on 100 percent power (High) in a large microwaveproof bowl 1 to 1-1/2 minutes or until melted. Whisk in cocoa until smooth; let stand 15 minutes to cool. Whisk granulated sugar into chocolate mixture until combined. Add eggs, one at a time, whisking after each addition, until blended. Stir in flour, 1 tablespoon vanilla and salt until blended. Stir in walnut pieces. Spread batter evenly into prepared pan.
- 3. Bake 45 to 50 minutes or until toothpick inserted in center comes out clean. Cool completely in pan on wire rack.
- 4. For the frosting, microwave chocolate and the 1/4 cup butter in a small microwaveproof bowl on 100 percent power (High ) 1-1/2 minutes; stir until smooth. Transfer mixture to a large bowl; add confectioners sugar, milk and 1 teaspoon vanilla extract. Beat on low speed of electric mixer to blend, then increase speed to medium-high and beat until frosting is smooth and spreadable.
- 5. Spread over Brownies. Using ends of foil, remove Brownies from pan; peel off foil. Cut into 24 squares. Makes 24 brownies.
Original source: killertreats.com