1 chocolate cake mix
1/4 c. vegetable oil
1 egg
1 c. chopped peanuts

1ST LAYER - Mix cake mix, oil and egg until crumbly, then add in chopped peanuts and mix. Reserve 1 1/2 cups of this mixture and press the rest into the bottom of a cake pan.

2ND LAYER - In small mixing bowl, combine:

1 can sweetened condensed milk
1/2 c. peanut butter

Mix well and then spread over first layer.

3RD LAYER:

Sprinkle top with the 1 1/2 cups of mixture you reserved. Bake at 350 degrees for 25-30 minutes.