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Incredibly Decadent Chocolate Chip Peanut Butter Brookie

Servings 20

Ingredients
  

For the Brownie

  • 1 cup/200 grams/7 oz. semi-sweet chocolate chips
  • 1 stick/115 grams/4 ounces unsalted butter, cut up
  • 3 Tbs./15 grams/½ ounce unsweetened cocoa powder
  • 3 eggs
  • 1 cup/220 grams/7¾ ounces sugar
  • 2 tsp. vanilla
  • ½ tsp. kosher salt or ¼ tsp sea salt
  • 1 cup/130 grams/4½ ounces flour
  • ½ cup/113 grams/4 ounces creamy peanut butter, optional

For the Cookie

  • 1 stick/8 Tbs./115 grams/4oz.unsalted butter
  • ½ cup /115 grams/4 ounces light brown sugar
  • ⅓ cup/75 grams/2½ ounces granulated sugar
  • 1½ cup/190 grams/6¾ all purpose flour
  • 1 tsp. baking powder
  • ⅛ tsp. fine grain sea salt or ¼  tsp. kosher salt
  • 1 large egg
  • 1 tsp. vanilla
  • 1 cup/5 ounces/160 grams chocolate chips
  • ½ cup/60 grams/2 ounces chopped nuts, optional

Instructions
 

  • Heat oven to 350ºF.  Grease (spray) a 9 by 9 inch square brownie tin.  Line it with parchment paper.
  • Make the Brownie: In a heatproof bowl, melt butter and chocolate in the microwave for about 2 minutes, stir using a whisk halfway through.  Whisk until smooth.
  • Whisk in cocoa, set aside.In a separate bowl, whisk together eggs, sugar, vanilla and salt.  Whisk in the cocoa mixture.
  • Using a spatula or wooden spoon, stir in the flour until just combined.
  • Pour into prepared pan, spread evenly.
  • Dollop the peanut butter all over.
  • Make the Cookie Top:  Melt butter in a saucepan, take off heat, add sugars, whisk to combine well.  Set aside to cool.
  • In a medium size bowl, combine flour, baking powder and salt.  
  • Add egg to cooled butter/sugar mixture.  Whisk a lot until the colour lightens a little.  Add vanilla.
  • Add flour mixture to butter mixture in the pot.  Stir with a rubber spatula until just combined.  Add chocolate and nuts (if using).
  • Dollop the cookie batter all over the brownie top, almost like you are dropping cookies onto a sheet.
  • Bake for 35-45 or until lightly browned.  Let cool completely before unleashing and devouring (if you can wait).