Seven-Layer Bars

Directions

1. 1
   Preheat the oven to 350.
2. 2
   Spread the walnuts in a pie plate and toast until golden and fragrant, about 8 minutes.
3. 3
   Let cool then coarsely chop.
4. 4
   In a large bowl, mix the melted butter with the graham cracker crumbs until evenly moistened.
5. 5
   Press the crumbs onto the bottom of a 15-by-17-inch baking pan.
6. 6
   Scatter the semisweet chocolate chips on top, followed by the butterscotch chips, white chocolate chips, toasted walnuts and coconut.
7. 7
   Scrape the condensed milk into a microwave-safe container and heat it at high power for 30 seconds, until just fluid.
8. 8
   Drizzle the milk evenly over the coconut.
9. 9
   Bake the bars in the center of the oven for about 30 minutes, until the coconut is toasted; rotate the pan once for even cooking.
10. 10
    Transfer the pan to a rack and let the bars cool completely, at least 4 hours.
11. 11
    Cut the bars lengthwise into 6 strips and crosswise into 6 strips to make 36 bars.