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close up on slices of smores bars

Chocolate SunButter S’mores Bars

  • Author: Jenna Barnard
  • Total Time: 45 minutes + 1 hour cooling
  • Yield: 16 bars


All the messiness of a s’more in a delicious cookie bar! The base is made up of a tender graham cracker cookie dough which is then layered with rich chocolate SunButter, marshmallow fluff, and a crumble of more cookie dough. They’re tender, sweet, and so ooey gooey!


  • 1 cup (100g) graham cracker crumbs
  • 1 1/2 cups (195g) all purpose flour
  • 1/2 tsp baking powder
  • 1/2 tsp salt
  • 3/4 cup unsalted butter, room temp
  • 1/2 cup (100g) light brown sugar, packed
  • 1/3 cup (65g) granulated sugar
  • 1 large egg, room temp
  • 2 tsp vanilla extract
  • 1 cup (280g) chocolate SunButter
  • 4 oz marshmallow fluff (a little more than half of a 7 oz jar)
  • 1/3 cup chocolate chips (optional)


  1. Preheat the oven to 350F and grease and line a square 8×8 baking pan with parchment paper. Allow the paper to hang over the sides for easy removal.
  2. In a medium bowl, whisk together the graham cracker crumbs, flour, baking powder, and salt.
  3. In a large bowl using a hand or stand mixer with the paddle attachment, mix together the butter and sugars on medium-high speed until light and fluffy (about 2 minutes).
  4. Next, mix in the egg and vanilla.
  5. Once combined, add in the dry ingredients and mix to form the dough.
  6. Press half of the dough into the bottom of the baking dish.
  7. Spread an even layer of the chocolate SunButter on top.
  8. Dollop spoonfuls of the marshmallow fluff on top and very gently spread it as even as possible. Careful not to mix the marshmallow and chocolate together.
  9. Crumble the remaining graham cracker dough on top and then sprinkle with chocolate chips.
  10. Bake for 25-30 minutes or until the edges are golden brown and the center looks barely underdone.
  11. Allow the bars to cool at room temperature for about an hour. They’re best served when they’re still a bit warm.
  12. Slice and enjoy!
  • Prep Time: 20 minutes
  • Cook Time: 25 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Keywords: smores bars, chocolate smores bars, smores cookie bars, chocolate sunbutter, sunbutter smores

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