8 tablespoons unsalted butter, softened
1 large egg
14 Oreo cookies, broken into bite-size pieces
14-ounce can sweetened condensed milk
1 1/2 cups chocolate chips
- Preheat oven to 350 degrees F. Line a 9 x 13" baking pan with foil and lightly spray with nonstick cooking spray.
- Place cake mix, butter and egg into a large bowl, mixing to combine. Press into prepared baking pan, making an even layer. Top with broken pieces of Oreo cookies.
- Pour sweetened condensed milk evenly over cookie pieces and top with chocolate chips. Bake for 23-25 minutes, until cooked through. Remove from oven and let cool. Lift out of pan using foil ends and cut into squares.