1/2 cup butter
1 cup white sugar
2 eggs
1 teaspoon vanilla extract
1/3 cup unsweetened cocoa powder
1/2 cup all-purpose flour
1/4 teaspoon salt
1/4 teaspoon baking powder
3 tablespoons butter, softened
3 tablespoons unsweetened cocoa powder

Method:

• Preheat oven to 350 degrees F (175 degrees C).Grease and flour an 8 inch square pan.
• In a large saucepan, melt 1/2 cup butter.
• Remove from heat, and stir in sugar, eggs, and 1 teaspoon vanilla.
• Beat in 1/3 cup cocoa, 1/2 cup flour, salt, and baking powder.
• Spread batter into prepared pan.
• Bake in preheated oven for 25 to 30 minutes. Do not overcook.
• If you want to have frosting, combine 3 tablespoons butter, 3 tablespoons cocoa, 1 tablespoon honey, 1 teaspoon vanilla, and 1 cup confectioners' sugar.
• You should frost brownies while they are still warm.