Irresistible Brownies - cooking recipe

Ingredients

3/4 cup butter
2 cups sugar
1 1/2 cups flour
1/2 cup cocoa powder
1/2 teaspoon baking powder
1/4 teaspoon salt
4 eggs
2 teaspoons vanilla
2 cups semi-sweet chocolate chips, divided
1/2 cup chopped nuts (optional)

Preparation

Preheat oven to 350 degrees. Grease a 13 x 9 x 2 inch baking pan.
In a medium saucepan over low heat, melt butter. Remove from heat and add sugar, flour, cocoa powder, baking powder, salt, eggs and vanilla. Stir until well blended and smooth.
Stir in 1 1/2 cups chocolate chips; add the nuts, if desired. Spread in prepared pan. Sprinkle with 1/2 cup chocolate chips.
Bake 30 to 35 minutes. Do not overbake. Cool on wire rack. Cut into 2 inch squares.