Chocolate Frosted Brownies

Why I Love This Recipe
No real story they are just good ;)
Ingredients You'll Need
1-1/3 cups flour
1/2 teaspoon salt
1 teaspoon baking powder
1 cup butter
1-1/2 cups unsweetened cocoa powder**
2 cups sugar
4 eggs at room temperature
1-1/2 teaspoons vanilla
2 cups broken walnut pieces, lightly toasted
Directions
Preheat oven to 350 degrees.
a 9 x 13 inch pan. With a wire whisk stir flour, salt and baking powder together. Mix well.
Set aside.
Melt butter.
Stir in cocoa powder. Stir well.
Add sugar.
Beat in eggs one a time.
Stir in vanilla.
Add premixed flour mixture. Mix well.
Stir in walnut pieces. Bake in prepared pan for 30 minutes.
Remove from oven and cool on wire rack.
Ice with chocolate frosting when completely cool.