2 c. unsifted flour
2 tsp. baking powder
1 tsp. salt
3/4 c. sugar
3/4 c. butter, softened
3 eggs
1 tsp. vanilla
3/4 c. dark brown sugar
2 c. (12 oz.) chocolate chips

Combine flour, baking powder and salt. In large bowl combine butter, sugar, brown sugar and vanilla, beat until creamy. Add one egg at a time, beat well after each addition. Gradually add flour mixture, mix well. Stir in chocolate chips. Spread evenly into a well greased 15 x 10 x 1 inch baking pan. Bake at 350 degrees for 30 to 35 minutes. Cool - cut into 2 inch squares. Check at 25 minutes for doneness or try 325 degree oven.