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Best Peanut Butter Blondies with Reese's Cups, Reese's Pieces, Chocolate Chips and Peanut Butter Chips

Best Peanut Butter Blondies

Closely adapted from Lisa Yockelson.
Course Dessert
Cuisine Cookies
Author TheSpicedLife


  • 1 cup (126 g) AP flour
  • 1/4 cup cake flour (fluffed, spooned and leveled)
  • 3/4 t baking powder
  • 1/8 t salt
  • 1/3 cup natural smooth peanut butter
  • 8 T (1 stick) unsalted butter, melted and cooled to tepid
  • 1 cup firmly packed light brown sugar
  • 1 large egg
  • 1 large egg yolk
  • 1 t vanilla
  • 1 8 oz package Reese's Cups--miniature and unwrapped
  • 1/4 cup peanut butter chips
  • 1/4 cup semi sweet chocolate chips
  • 1/2 cup Reese's Pieces


  1. Spray an 8X8 baking pan and line it with parchment paper that overhangs the sides (you will use it to lift the blondies out of the pan). Preheat the oven to 350 F.
  2. Sift together the AP flour, cake flour, baking powder and salt. Set aside.
  3. In a medium sized mixing bowl (this is easily done by hand) whisk together the melted butter and peanut butter. Whisk in the brown sugar, egg, egg yolk and vanilla. Switching to a wooden spoon or a spatula, mix in the sifted flour mixture. Stir in the chips, candy and peanut butter cups. The dough will be thick and chunky.
  4. Scrape the dough into the prepared pan and spread it in evenly. Bake for 25-30 minutes, rotating front to back halfway through. The bars are done when the dough is set and golden. Let the pan and bars cool completely on a cooling rack before slicing.