Adapted from How Sweet It Is
1 stick (1/2cup) butter, at room temperature
1 1/2 cups sugar
2 teaspoons vanilla
1 1/4 cups flour
1/4 teaspoon salt
3 tablespoons cocoa powder
2 tablespoons red food coloring
Preheat oven to 350. Line 8 x 8 pan with nonstick foil or regular foil. Grease regular foil with cooking spray if using.
In a small bowl, mix cocoa powder, food coloring and 1 teaspoon of the vanilla to form a paste. Set aside.
With an electric mixer, cream butter and sugar till light and fluffy. Add eggs, one at a time, then add second teaspoon of vanilla. With mixer on medium, beat in cocoa paste. Add flour and salt, and mix just until combined.
Spread in pan. Bake for 25-30 minutes, or until toothpick inserted in center comes out clean. Cool before frosting.
1 stick ( 1/2 cup) butter, at room temperature
2 1/2 cups powdered sugar
1 teaspoon vanilla
4 ounces white chocolate, melted
1/2 tablespoon milk
Cream butter with mixer till fluffy. Add vanilla. Slowly mix in powdered sugar, then white chocolate. Add enough milk to reach desired consistency. Ice cooled brownies or pipe a star of icing on individual brownies.