Turtle Brownies

1 box chocolate cake mix
1/3 c. milk
3/4 c. butter
1 bag chocolate chips
1 jar caramel sauce
or
1 (14oz) bag caramels, unwrapped, melted and combined with 1/2 c. evaporated milk
2/3 c. chopped pecans

Melt butter in the microwave and add butter and milk to cake mix. Mix well and add chopped nuts. Pour 1/2 of batter into a greased and floured 9x13 pan. It will be pretty thick and hard to spread. I spray some Pam onto a piece of plastic wrap, lay it over the batter and use it as a mess-free way to spread the batter flat. Bake the first layer at 375 F for 6 minutes. Remove from oven and pour caramel sauce from jar over baked portion and spread evenly. If using caramels, melt in microwave with evaporated milk for about 3 minutes, stir and microwave for an additional 1-2 minutes until smooth. Sprinkle chocolate chips over caramel and cover chips with remaining batter (use your plastic wrap again). Bake at 375 for 18-20 minutes. Cool completely before serving. These are very gooey and serve better the next day, after they've had time to set up.