Chocolate Caramel Brownies

1 German Chocolate cake mix
3/4 c. melted butter
2/3 c. evaporated milk
1 c. chopped nuts
40 caramels
1/3 c. evaporated milk
1 c. chocolate chips

Combine cake mix, butter, nuts and 2/3 c. evaporated milk. Spread half of cake mixture in 9x13 pan. Bake for 6 minutes at 350. Melt caramels with 1/3 c. evaporated milk. Sprinkle baked cake mixture with chocolate chips. Drizzle caramel over chocolate. Drop rest of batter over caramel. Bake 18-20 min. Refrigerate 30 min.