Brownies - cooking recipe

Ingredients

1/2 C butter or margarine
1 C sugar
2 eggs
3/4 C flour
1/4 tsp salt
1/2 tsp baking powder
1-1/2 square melted baking chocolate
1 C chopped nuts
1 tsp vanilla

Preparation

Cream butter or margarine and sugar together until light and fluffy.
Add eggs and mix well.