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5 from 2 votes

Chocolate Chocolate Chip Gooey Bars

These rich, indulgent bars are loaded with chocolate, chocolate and MORE chocolate for a fudgy, thick and chewy bar that's hard to resist!
Prep Time10 mins
Cook Time30 mins
Total Time40 mins
Course: Bars
Servings: 15 -24
Author: Hayley Parker, The Domestic Rebel

Ingredients

  • 1 box Devil's food cake mix
  • 1 egg
  • 1/2 cup oil
  • 1 cup milk chocolate chips
  • 1 cup semi-sweet chocolate chips
  • 1 cup dark chocolate chips
  • 2 "Giant" Hershey's Milk Chocolate Bars 7 oz each, unwrapped
  • 1 "King Size" Hershey's Milk Chocolate Bar 2.5-3 oz each, unwrapped
  • 1/2 cup hot fudge sundae sauce
  • 1 14 oz can sweetened condensed milk

Instructions

  • Preheat oven to 350 degrees F. Line a 13x9" pan with foil, extending the sides of the foil over the edges of the pan. Liberally grease the foil with cooking spray and set aside.
  • In a large bowl, combine the cake mix, egg and oil with a spoon until a soft dough forms. Spread the mixture evenly into the prepared pan. Bake for approx. 12 minutes, then remove from the oven but keep the oven on.
  • Top the crust layer with the Hershey's bars to cover the entire surface. Immediately top with the assorted chocolate chips evenly. In a separate small bowl, whisk together the hot fudge and sweetened condensed milk; pour the mixture evenly over the bars.
  • Return to the oven and bake for 20-22 minutes or until the center is just about set and bubbly. Cool completely in the pan, preferably overnight. Once bars are completely cooled, cut into squares and serve.