Irresistible Brownies - cooking recipe

Ingredients

3/4 c. butter or margarine
2 c. white sugar
1 1/2 c. flour
1/2 c. cocoa powder
1/2 tsp. baking powder
1/4 tsp. salt
4 large eggs
2 tsp. vanilla
12 oz. pkg. chocolate chips, divided
1/2 c. chopped walnuts

Preparation

Preheat oven to 350\u00b0.
In large saucepan, over low heat, melt butter.
Remove from heat.
Add sugar, flour, cocoa, baking powder, salt, eggs and vanilla.
Stir with spoon until batter is well blended and smooth.
Stir in 1 cup chocolate chips and the nuts.
Spread in greased 10 x 15-inch pan.
Sprinkle with remaining 1 cup chips.
Bake 30 to 35 minutes until set.
Cool and cut into squares.