3/4 cup sweetened condensed milk, divided (I used 1 whole can)
1/4 cup butter or margarine, melted and cooled
1/4 cup milk
1 (18 1/4 ounce) package devil’s food cake mix (I used Triple Chocolate Cake Mix)
1 large egg, lightly beaten
1 (7 ounce) jar marshmallow creme
(1 1/4 cups Creamy Peanut Butter)
1/2 cup peanut butter chip (I HIGHLY recommend Reese’s brand chips)
(1/4 cup Milk Chocolate Chips)
Preheat the oven to 350 degrees.
Line a 9×13 baking pan with foil and lighlty spray with PAM.
In a bowl, combine 1/4 cup condensed milk, butter, 1/4 cup milk, cake mix and the egg; mix to combine well (batter will be very stiff).
Gently press about 2/3 of the dough into the bottom of the prepared baking pan (using floured hands if needed); pat down evenly, the layer will be thin.

Bake for 10 minutes.
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While crust bakes, combine the remaining condensed milk, marshmallow creme and Peanut Butter in a bowl; gently fold in the peanut butter chips and chocolate chips.
Remove the crust from the oven; spread the peanut butter marshmallow mixture evenly over the brownie layer.
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Carefully drop the remaining batter by the spoonfuls evenly over the peanut butter marshmallow mixture. Press down slightly.
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Bake for another 25-30 minutes or until edges are set and center is slightly gooey but not raw. Cool completely in pan on a wire rack.