1Preheat oven to 350 degrees F (175 degrees C). Grease one 9x13 inch baking dish.
2Melt caramels and 1/3 cup of the evaporated milk over very low heat, stirring occasionally until smooth.
3Combine cake mix, melted butter, the remaining 1/3 cup evaporated milk, vanilla and nuts. Mix well and spread 1/2 of the batter into the prepared pan.
4Bake at 350 degrees F (175 degrees C) for 8 minutes.
5Sprinkle the chocolate chips evenly over the partially cooked brownies. Pour the melted caramel mixture over the top and with a teaspoon drop the remaining 1/2 of the batter evenly over the top.
6Bake at 350 degrees F (175 degrees C) for 20 minutes. Let brownies cool in pan then cut into bars.
Footnotes
Tip
Aluminum foil can be used to keep food moist, cook it evenly, and make clean-up easier.