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Brookie bars brownies
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Cookie Brownie Bars (From Brownie Mix)

Fudgy brownies topped with a chocolate chip cookie layer.
Course Dessert
Cuisine American
Prep Time 10 minutes
Bake Time 25 minutes
Total Time 35 minutes
Servings 16
Calories 97kcal
Author Nora Rey
Cost $4-$6

Equipment

  • 9x9-inch pan

Ingredients

Brownie layer

  • 1 box brownie mix (about 18 ounces)
  • Eggs room temp & lightly beaten (see box for amount)
  • Water  sub:milk, buttermilk, or coffee (see box for amount)
  • Neutral oil (see box for amount)
  • ½ teaspoon instant coffee or ¼ teaspoon espresso powder  (optional)

Cookie layer

  • 3 tablespoons melted butter salted or unsalted
  • 2 tablespoons granulated sugar
  • 2 tablespoons brown sugar light or dark
  • 1 egg yolk
  • ½ teaspoon vanilla extract
  • ¼ teaspoon baking soda
  • ¼ teaspoon kosher salt use half for fine salt
  • ½ cup all-purpose flour
  • ¼ cup bittersweet or semisweet chocolate chips (reserve some for topping)

Instructions

  • In a bowl, mix melted butter, granulated sugar, brown sugar, egg yolk, and vanilla until smooth.
  • Stir in baking soda and salt.
  • Using a spatula, mix in flour just until no dry flour is showing.
  • Add most of the chocolate chips, saving a few for the top.
  • Prepare brownie batter according to the package directions and spread evenly in a 9×9-inch pan.
    Spoon dollops of cookie dough on top, gently spread with a knife, then sprinkle remaining chocolate chips.
  • Bake according to the package directions. If the cookie layer browns too fast, loosely cover with foil.
  • Let bars chill in the fridge for at least an hour before cutting.

Video

Notes

  • Brownie mix: Use an 18-ounce box of any brand.
  • Water: Substitute the same amount of milk, buttermilk, or cooled coffee.
  • Instant coffee: Optional. Skip if using brewed coffee.
  • Butter: Salted or unsalted works.
  • Egg yolk: Use only the yolk for the cookie dough.
  • Chocolate chips: Semisweet or bittersweet works. Save a few for topping.

Nutrition

Calories: 97kcal | Carbohydrates: 7g | Protein: 1g | Fat: 7g | Saturated Fat: 2g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 3g | Trans Fat: 1g | Cholesterol: 39mg | Sodium: 82mg | Potassium: 17mg | Fiber: 1g | Sugar: 4g | Vitamin A: 112IU | Calcium: 7mg | Iron: 1mg