1(18 to 19oz) box brownies (usually labeled as family size or for a 13×9″ pan)
Ingredients for the brownies- Mine called for 1/4 cup water, 2/3 cup vegetable oil, & 2 eggs.
1cupmilk or semi-sweet chocolate chips
1cuppowdered sugar
3/4cuppeanut butter
1/4cupbutter, room temperature
1/2tspvanilla
1-3tspheavy cream
Instructions
Prepare box brownies according to directions on the label. Fold in chocolate chips. Pour batter into a greased square 8×8″ or 9×9″ pan. Bake for 40-45 minutes until toothpick comes out clean in the center.
Prepare frosting by beating powdered sugar, peanut butter, butter & vanilla in a stand mixer with the paddle attachment OR with a hand held mixer & large bowl. Add heavy cream 1 tsp at a time until a spreadable texture is achieved.
Frost brownies once they are completely cooled. Cut into 1 to 2″ squares & serve sprinkled with powdered sugar.