Pre-heat oven to 350°F and grease a 13x9 baking dish or line with parchment paper. Set pan aside.
In a bowl combine the cake mix, melted butter, condensed milk and nuts.
1 package package german chocolate cake mix, ¾ cup butter, ⅓ cup condensed milk, 1 cup chopped pecans
Divide the brownie dough in half. Press half of the dough into the greased pan. Set other half of dough aside.
Place the pan into the oven and bake the bottom layer of brownie for 10 minutes.
While baking prepare the caramel sauce. In a microwave safe bowl add unwrapped caramels and condensed milk. Slowly melt caramels in the microwave, stirring every 30 seconds until caramels are just melted.
60 caramel squares, ½ cup condensed milk
Remove pan from oven and pour caramel sauce over hot brownie layer. Crumble remaining brownie dough over the caramel layer. Sprinkle the chocolate chips over the top and place pan in oven. Bake for 15-18 minutes.
1 cup chocolate chips
Once cooled to the touch place pan in the fridge for roughly 30 minutes to allow caramel to set before cutting into bars.