2 ½ cups all-purpose flour

1 ½ teaspoons baking powder

½ teaspoon salt

1 cup creamy peanut butter

½ cup butter, softened

1 cup brown sugar

2/3 cup corn syrup

2 eggs

1 teaspoon vanilla extract

1 package (12 ounces) semi-sweet chocolate chips

Mix flour, baking powder and salt in a medium bowl; set aside.  Beat peanut butter, butter and brown sugar together in a large bowl with mixer at medium speed until smooth.  Blend in corn syrup, eggs and vanilla. Reduce mixer speed; beat in flour mixture. Fold in chocolate chips. Spread into an ungreased 9×13-inch pan.  Bake in preheated 350° oven for 35-40 minutes or until lightly browned. Cool in pan on wire rack. Cut into bars.