Peanut Butter Cup S'mores Bars

Peeps, I may have just discovered my new favorite dessert ever! Who knew it was possible to make Reese's Peanut Butter Cups even more amazing than they already are?! I recently discovered this recipe on The Sweet Life blog, and suffice it to say, that these are really, really, REALLY good.

Peanut Butter Cup S'mores Bars

Servings: 16 - 20 squares


  • 1/2 cup butter, softened
  • 1/2 cup packed brown sugar
  • 1/4 cup sugar
  • 1 egg
  • 1 teaspoon vanilla
  • 1 1/4 cups flour
  • 1 teaspoon baking powder
  • 1/4 teaspoon salt
  • 1 cup graham cracker crumbs
  • 16 peanut butter cups, regular size
  • 1 1/2 cups marshmallow fluff (roughly)


1. Preheat the oven to 350 degrees.  Line an 8×8 baking dishing with parchment paper; coat lightly with cooking spray.
2. In a large bowl, beat butter and sugars until fluffy.  Beat in egg and vanilla until combined.  Scrape down the sides.  With the mixer on low, stir in the flour, baking powder, salt, and graham cracker crumbs until mixed.
3. Spread 2/3 of the dough on the bottom of the prepared baking dish.  Lightly press the peanut butter cups into the dough, then spread marshmallow fluff on top.  Press the remaining dough on a non-stick surface into the shape of an 8×8 square.  Place the square on top of the fluff and press down lightly.
We didn't make a square, but I'm not sure we had reserved enough dough for this anyway. This definitely made a difference in the final product (at least, to me!).
4. Bake for 30 minutes or until the edges just begin to brown.  Allow to cool for at least two hours to give the bars a chance to set, then remove from the pan and cut into squares with a large, sharp knife.
Since the dough hadn't covered the fluff completely, the 'exposed' pieces were a little hard/chewy, while the fluff on the inside was much more creamy. I would definitely make sure it was better 'sealed' next time we make this. This was still freaking delicious, and these bars did not last long in our house!


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