Peanut Butter Cup S’mores Dip

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Peanut butter cup s’mores dip delivers all the flavors of classic peanut butter s’mores—no campfire needed! This delicious twist on a campfire classic combines layers of melted Hershey’s chocolate, Reese’s Peanut Butter Cups, Reese’s Pieces, and fluffy marshmallows, creating a dessert that’s easy to make and perfect for dipping Graham crackers.

Skillet S'mores made with Reese's peanut butter cups, Hershey chocolate, and marshmallows.

If you know me, you know I love to make dessert dips. They’re one of my favorite ways to enjoy the flavors of classic desserts in a quick, shareable treat. Plus they’re just plain fun to eat! If you’re a fan of easy dessert dips like me, you’ll also love this cookie dough dip and funfetti dip

After making a simple 3-ingredient s’mores dip I wanted to elevate the dip with some peanut butter goodness. Enter Reese’s Peanut Butter Cups—hello, chocolatey peanut butter perfection!

The Reese’s candy and marshmallows are layered and baked in a skillet (or an oven-safe dish) until the chocolate is melted and the marshmallows are golden and gooey. Then, just grab some graham crackers and dive into all that melty chocolate and marshmallow deliciousness! 

Graham cracker being dipped in chocolate peanut butter s'mores dip.

Why you’ll love this recipe

  • Easy recipe with minimal prep time.
  • When served in a cast iron skillet, it gives it a rustic and fun presentation.
  • Great for birthday parties, sleepovers, evenings at home, movie nights, and more.

Ingredients for Peanut Butter S’mores Dip

This section includes ingredient notes and substitution options. Get all measurements, ingredients, and instructions in the printable recipe card at the end of this post.

Unwrapped Reese's Peanut Butter Cups, Reese's Pieces, marshmallows, chocolate sauce, melted peanut butter, Hershey chocolate bars, and graham cracker sticks.
  • Chocolate: I prefer to use Hershey’s milk chocolate bars, but you can use chocolate chips if you prefer. 
  • Peanut butter cups: Alternating peanut butter cups and chocolate pieces elevates the dip with pockets of delicious creamy peanut butter.
  • Reese’s Pieces: These little candy-coated bits add a crunchy texture.
  • Marshmallows: You can use homemade marshmallows or a bag of regular-size store-bought marshmallows.
  • Topping: Drizzle some chocolate sauce and melted peanut butter over the top to finish off the dip.
  • Graham crackers: For dipping!

How to Make Chocolate Peanut Butter S’mores Dip

This section shows you how to make the recipe with step-by-step photos and instructions. For the full printable recipe, see the recipe card below. 

Four image collage of cast iron skillet: 1) lined with foil and covered in peanut butter cups and pieces of Hershey's bars. 2) with Reese's pieces sprinkled on top of the chocolate, 3) with marshmallows covering the chocolate in a single layer, and 4) with marshmallows golden brown on top after baking.
  1. Add chocolate and peanut butter cups: Line the bottom of a cast-iron skillet or baking dish with a layer of aluminum foil. Place a single layer of chocolate bars and peanut butter cups on the bottom. Break apart any larger pieces to fill up the spaces as much as possible. 
  2. Top with Reese’s Pieces: Sprinkle the Reese’s Pieces on top so they fall into the nooks and crannies between the chocolate bars and peanut butter cups.
  3. Cover with marshmallows: Arrange the marshmallows on top, making sure to fit them as tightly together as possible. They will expand, so don’t worry if there is some space at the end.
  4. Bake until melty: Place the skillet in a preheated 375-degree oven and bake it for about 15 minutes. Once the marshmallows are golden brown, take the skillet out of the oven.
  5. Garnish and serve: Let your indoor s’mores dip cool slightly and serve it while it’s still warm. It’s hard to dip once the chocolate starts to solidify. Drizzle with chocolate sauce and melted peanut butter, and enjoy with a stack of Graham crackers for dipping.
Two image collage of peanut butter and chocolate sauce being poured on top of the marshmallows.

Pro Tip:

To thin peanut butter to drizzle over the top of the dip, melt about ½ cup of peanut butter in a microwave-safe bowl for 20–30 seconds.

Storage

Refrigerator: This chocolate peanut butter dip is best eaten the day it’s made. However, if you have leftovers you want to save, keep them covered in an airtight container in the fridge for up to 2 days.

How to Reheat: Reheat the dip in an ovenproof skillet on medium-low heat. If it’s a small portion, pop it in the microwave for a few seconds.

Peanut Butter Cup S'mores Dip in a cast iron skillet with graham crackers for dipping.

Tips for the Best Peanut Butter S’mores Dip

  • Keep an eye on the marshmallows while they are baking, as they can go from golden to burned pretty quickly. Don’t walk away from the oven!
  • You can use mini marshmallows instead of regular size marshmallows, however the baking time may differ, so keep a close eye on it while baking.
  • Try the dip with other tasty dippers such as pretzels for that sweet and salty combination or fresh fruit such as strawberries, bananas, apples, or berries.
Graham cracker dipping into skillet od chocolate peanut butter s'mores sip.

Additions and variations

  • Swap the traditional Graham crackers. Chocolate Graham crackers would also be amazing!
  • Add more chocolate. You can do a full layer of chocolate bars and then a full layer of peanut butter cups. If you have enough extra to fill the whole skillet, go for it.
  • Use different toppings. Shredded coconut or chopped nuts would add a little something extra.
  • Different chocolate. Use dark, milk, or white chocolate chips. They will all work well in this peanut butter cup smores dip.

More Chocolate Peanut Butter Desserts

Reese's peanut butter cup s'mores dip in a skillet, topped with toasted marshmallows and chocolate peanut butter drizzle.
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Graham cracker being dipped in chocolate peanut s'mores dip.
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Peanut Butter Cup S’mores Dip

Author: Jaclyn
Prep: 10 minutes
Cook: 15 minutes
Total: 25 minutes
Indulge in the ultimate peanut butter and chocolate treat with this easy Peanut Butter Cup S'mores Dip—no campfire needed! Perfect for dipping graham crackers, this dessert is packed with layers of melted chocolate, Reese's candy, and gooey marshmallows.

Equipment

Ingredients
 

  • 4 milk chocolate bars or as needed
  • 8 peanut butter cups or as needed
  • cup Reese’s Pieces or as needed
  • 12 ounces marshmallows
  • chocolate sauce optional topping
  • melted peanut butter optional topping

Instructions

  • Preheat your oven to 375°F and position the rack in the center. If using a cast-iron skillet, line the bottom with aluminum foil.
  • Arrange a single layer of chocolate bars and peanut butter cups in the skillet. , Break the chocolate bars as needed to cover the bottom as fully as possible. Adjust the ratio of chocolate bars to peanut butter cups based on your preference.
  • Sprinkle the Reese’s Pieces over the chocolate layer, filling in any gaps.
  • Arrange a single layer of marshmallows on top. It’s okay if there are small gaps; the marshmallows will expand as they cook.
  • Bake for about 15 minutes, or until the marshmallows are golden brown. Watch closley to avoid overcook.
  • Allow to sit at room temperature for 5-10 minutes to cool slighlty before serving warm. Drizzle chocolate sauce and melted peanut butter on top of the marshmallows before serving, if desired. Serve with graham crackers or your favorite dippers.

Notes

  • Watch the marshmallows closely: Marshmallows can go from golden brown to burnt quickly, so keep a close eye on them while baking.
  • Customize your chocolate: Feel free to mix in different types of chocolate, like dark or white chocolate chips, for a unique twist.
  • Try different dippers: In addition to graham crackers, try dipping pretzels, fresh fruit, or even cookies for a fun variety.
  • Thin the peanut butter for drizzling: Melt peanut butter in the microwave for 20-30 seconds to make it easier to drizzle over the dip.
  • Serve immediately: This dip is best enjoyed warm, right out of the oven, before the chocolate starts to harden.

Nutrition

Calories: 357kcal | Carbohydrates: 54g | Protein: 4g | Fat: 17g | Saturated Fat: 9g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 6g | Cholesterol: 1mg | Sodium: 90mg | Potassium: 168mg | Fiber: 3g | Sugar: 42g | Vitamin A: 6IU | Vitamin C: 0.04mg | Calcium: 23mg | Iron: 1mg
Graham cracker being dipped in chocolate peanut s'mores dip.

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