CRUST:
1/2 cup butter
2 cups flour
1 cup brown sugar
1 cup pecan pieces
Using a pastry blender or fork, combine the butter, flour, and brown sugar until the mixture forms fine crumbs.
Press the mixture into an ungreased 9″ x 13″ pan.
Sprinkle the crust with the pecan pieces. Set aside.
CARAMEL LAYER:
2/3 cup butter
1/2 cup brown sugar
Combine the butter and brown sugar in a saucepan and bring to a boil over medium heat. Stir constantly. Allow the mixture to boil for 1 minute.
Drizzle the mixture evenly over the crust.
Bake the crust for 20 minutes at 350°F.
TOPPING:
1 cup milk chocolate chips
Immediately after removing the crust from the oven, sprinkle it with chocolate chips. Allow the chocolate chips to stand for 5 minutes so that they will melt; then spread evenly over the surface of the bars.
Let the bars cool; then cut them into the desired serving size