2 2/3 c. flour
2 tsp. baking powder
2 sticks butter, softened
2 c. light brown sugar
2 eggs
2 tsp. vanilla
1 (12 oz.) pkg. chocolate chip morsels
1 c. chopped walnuts, optional

Preheat oven to 350 degrees. Lightly grease 9 x 13 inch pan. In large bowl, with wooden spoon, cream butter, sugar, eggs and vanilla. Stir in flour, baking powder and chocolate chips. Dough will be stiff. Spread in prepared pan.