Ingredients
¾cupall-purpose flour
¾cupcake flour
¼tspbaking powder
¼tspsalt
1cupbutter,softened
4ozunsweetened chocolate squares
1¾cupswhite sugar
4eggs
2tspvanilla extract
1cupsemisweet chocolate chips
Preparation
Preheat the oven to 350 degrees F. Grease and flour one 9-inch square baking pan, tapping out excess flour.
Melt the butter and unsweetened chocolate in the top of a double boiler. Let cool for about 15 minutes.
Sift together both flours, baking powder, and salt. Set aside.
In a large bowl, whisk the chocolate-butter mixture to blend. Beat in sugar then vanilla and then the eggs.
Fold in dry ingredients and mix well. Stir in the semisweet chocolate chips. Scrape the batter into the prepared pan, spreading evenly.
Bake for 30 to 35 minutes until set. Do not overbake.
Cool in pan on a wire rack. Once cool cut into large squares.
Serve and enjoy!