2 1/4 cups all-purpose flour
1 teaspoon baking powder
1/4 teaspoon salt
3/4 cup butter
2 1/4 cups brown sugar, packed
1 1/2 teaspoons vanilla extract
4 Butterfinger candy bars, crushed, divided
Preheat oven to 350 degrees F. Grease a 13 x 9-inch baking pan.
In a small bowl, combine flour, baking powder and salt; set aside.
In a medium bowl, with electric mixer at medium speed, combine butter and brown sugar. Beat in eggs and vanilla extract until smooth. Stir in flour mixture and 1 cup of crushed butterfingers bars. Spread in prepared baking pan. Sprinkle remaining crushed Butterfinger bars over top of batter. Bake for 30-35 minutes or until done. Cool and then cut into bars.