Hershey Brownies

1/2c.butter(unsalted)
1c.sugar
1t.vanilla
2eggs
1/2c. All purpose flour
1/3c.cocoa
1/4t.baking powder
1/4t. salt

chopped kitkat candies(opt) or chopped nuts

1.Preheat oven  to 350

2.Grease or line with foil an 8x8 pan
3.Stir butter,vanilla,sugar in a small bowl
4.Add eggs and beat it well with a spoon
5.Stir flour,cocoa,b. powder and salt and gradually add to egg mixture, mix until blended
6. Add nuts or kitkat pieces and bake for 20-25minutes