Brownies - cooking recipe

Ingredients

3/4 c. butter
2 c. sugar
1 1/2 c. flour
1/2 c. cocoa
1/2 tsp. baking powder
salt
4 eggs
2 tsp. vanilla
1 c. chocolate chips
1/2 c. nuts (optional)

Preparation

Melt butter and pour over all ingredients except chips.
Mix well until smooth and add chocolate chips.
Bake at 350\u00b0 for 30 to 35 minutes in a 13 x 9-inch greased pan.