Melt caramels with 1/3 cup of the milk in the microwave. Stir until smooth
Combine remaining milk, mix and butter. Mix well
Press half of cake mixture into the bottom of a greased 13 x 9 baking pan
Bake at 350F degrees for 6 minutes. Sprinkle with 1 cup walnuts, chocolate pieces over the crust; top with caramel mixture spreading to the edges of the pan
Top with spoonfuls of remaining cake mixture.Serve.
