The Great Blondie

Directions

1. 1
   Position a rack in the center of the oven; preheat oven to 325°.
2. 2
   Grease a 13 x 9 inch baking pan or heatproof glass dish.
3. 3
   Line the pan with parchment paper, leaving about 1 inch of paper overhanging the two long sides.
4. 4
   In a bowl, whisk together the flour and salt to blend; set aside.
5. 5
   In the bowl of an electric mixer set on medium speed, cream the butter, sugar, and brown sugar.
6. 6
   Beat in the eggs one at a time, blending thoroughly and stopping to scrape down the sides of the bowl after each addition.
7. 7
   Mix in the vanilla.
8. 8
   Stir in the flour mixture until well combined.
9. 9
   Stir in 1/2 cup of the chocolate chips, 1/2 cup of the butterscotch chips, and 1/2 cup of the walnuts.
10. 10
    Spread the batter evenly in the prepared pan with the back of a spoon or a rubber spatula.
11. 11
    Sprinkle the remaining chocolate chips, butterscotch chips, and walnuts evenly over the top.
12. 12
    Bake for 30 minutes, or until a pick comes out clean.
13. 13
    Set the pan of a wire rack to cool for 15 minutes.
14. 14
    Grasp the edges of the parchment and carefully lift the blondies out of the pan.
15. 15
    Cut into bars.