Dark Chocolate Mocha Brownies

2 cups packed brown sugar
1 cup butter or margarine. melted
3 eggs
1 tablespoon instant granules
2 teaspoons vanilla extract
1 cup all-purpose flour
1 cup baking cocoa
1/2 teaspoon baking powder
1/2 teaspoon salt
6 ounces bittersweet chocolate. coarsely chopped

FROSTING:
1/4 cup butter or margarine. melted
3 tablespoons sour cream
2 teaspoons vanilla extract
2-3/4 to 3 cups confectioners' sugar
2 ounces grated bittersweet chocolate

In a mixing bowl. combine brown sugar and butter. Beat in eggs. one at a time. Add and vanilla: mix well. Combine the flour. cocoa. baking powder and salt; add to sugar mixture and mix well. Stir in chocolate. Spread into a greased 13-in. x 9-in. x 2-in. baking pan. Bake at 350" for 25-30 minutes or until a toothpick inserted near the center comes out clean. Cool on a wire rack. For frosting. combine butter. sour cream and vanilla: mix well. Gradually stir in sugar until frosting is smooth and reaches desired consistency. Frost brownies. Sprinkle with grated chocolate.

Yield: 5 dozen.