Best Brownies - cooking recipe

Ingredients

1/2 c. butter
2 sq. bitter chocolate
1 c. sugar
1 egg
1 tsp. vanilla
3/4 c. flour
1 tsp. baking powder
1 c. chopped nuts

Preparation

Melt butter and chocolate in a 9 x 9-inch pan.
Add ingredients in the order given in the pan.
Bake at 375\u00b0 for 22 minutes.