Preheat oven to 375 conventional/ 350 convection

Line a 9x9 baking pan with parchment- set aside

In a large bowl, combine cake mix & oats.

Pour in melted butter & mix with a large spatula until crumbly

Pour 3/4 of the mix in your prepared pan & press down into an even layer

Add candy bars- evenly spaced

Top with chocolate chips to fill in any areas not covered by the candy bars

Sprinkle remaining crumb mixture over the top

Bake 20-25 minutes- or until golden.

Remove & cool completely before cutting