4th of July S'mores Dip

Featured in: Homemade Treats

This festive, three-ingredient s'mores dip comes together in about 15 minutes and bakes in a 9-inch cast iron skillet for a warm, shareable finish. Preheat oven to 375°F and spread 2 cups chocolate chips in the skillet, then top evenly with 2 cups large marshmallows.

Bake 8–10 minutes until marshmallows are puffed and golden, let cool 2–3 minutes, and scoop with broken graham crackers. Try red, white, and blue sprinkles for a holiday touch, or swap chocolate varieties and add a layer of peanut butter chips for extra richness.

Updated on Mon, 01 Jun 2026 00:42:48 GMT
Gooey 4th of July S'mores Dip bubbling in a cast iron skillet, ready for dipping. Pin this
Gooey 4th of July S'mores Dip bubbling in a cast iron skillet, ready for dipping. | plumoven.com

One humid July evening, we ran out of fireworks faster than expected but the excitement lingered. That was the year I decided to bring out my battered cast iron skillet and recreate the campfire s'mores we missed thanks to a surprise thunderstorm. Watching chocolate bubble and marshmallows toast under the broiler somehow felt just as celebratory as a night sky full of color. The house filled with the aroma of melting chocolate and toasted sugar, and everyone's sticky fingers told the story. Sometimes, the simplest desserts become the highlight before you even realize it.

Once, I made this dip for friends on a breezy Fourth of July and ended up with neighbors peeking in, lured by the smells drifting through open windows. The collective ‘mmm’ around the table as we scooped up molten chocolate with crunchy graham crackers was just the kind of summer memory I hadn’t planned but deeply needed. Some desserts are best eaten while laughing and elbowing for extra marshmallow—this is one of them.

Ingredients

  • Milk chocolate chips: They melt quickly and retain just enough structure for lush, dippable layers; use the best you can, even leftover bars chopped up will do.
  • Large marshmallows: Big marshmallows float and puff beautifully, giving you those golden tops—turn your skillet carefully if your oven heats unevenly.
  • Graham crackers, broken into dippable pieces: The satisfying crunch is irreplaceable, and breaking them by hand gives you a mix of big and small scoops for maximum fun.

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Instructions

Get the oven roaring:
Preheat your oven to 375°F (190°C) so it's ready to bring those marshmallows to golden heights.
Build your chocolate base:
Pour the chocolate chips (or chunks) evenly in a dry 9-inch cast iron skillet—shake gently to settle them in a level layer.
Pile on the marshmallows:
Nestle the large marshmallows in a single snug row on top, letting them touch for extra gooeyness after baking.
Bake until golden:
Slide the skillet onto the middle oven rack and bake 8-10 minutes—watch closely, and pull them just as the tops puff and turn bronze.
Let it settle:
Remove with oven mitts (skillet’s hot!) and cool for 2-3 minutes—marshmallows will deflate slightly but stay irresistibly stretchy.
Scoop and celebrate:
Gather around, hand out graham crackers, and dive in while the chocolate’s oozy and the marshmallows still string between bites.
Festive 3-ingredient S'mores Dip in cast iron, golden marshmallows over melted chocolate. Pin this
Festive 3-ingredient S'mores Dip in cast iron, golden marshmallows over melted chocolate. | plumoven.com

Somehow, this s'mores dip ended up being the spark that got everyone talking about summers past—a plate of sticky graham crackers was passed right between fireworks sparklers and tall glasses of lemonade. It’s funny how a pan of molten sweets can set the mood better than any centerpiece.

Make It Extra Festive

For holiday flair, I often scatter red, white, and blue sprinkles across the marshmallows before baking. It’s a five-second move that turns dessert into a centerpiece—kids and adults alike reach for the sprinkle-topped scoop first.

Pick Your Chocolate Personality

If you’re craving a twist, swap in dark or white chocolate chips for the base or try combinations. Chopping up leftover Easter chocolate or holiday bars gives a little mystery to every dip—someone always discovers a caramel pocket or a crunchy almond hidden at the bottom.

Keeping Things Simple in Summer

Cast iron stays warm for ages, so the dip keeps its goo for your second (and third) round. No campfire, no mess to clean outside, just grab napkins and watch everyone try to win the biggest marshmallow pull.

  • Break your graham crackers in different sizes for both big and small dippers.
  • If marshmallows brown unevenly, spin the skillet halfway through baking.
  • Serve immediately—the magic is in the melty moment.
Warm, melted 4th of July S'mores Dip in cast iron, served with graham crackers. Pin this
Warm, melted 4th of July S'mores Dip in cast iron, served with graham crackers. | plumoven.com

Let everyone dunk for themselves and wipe sticky hands on their napkin—this is a dessert for togetherness, not perfection. I hope it brings pure summer joy to your own table, no matter the weather outside.

Recipe FAQs

What oven temperature and bake time should I use?

Preheat to 375°F and bake the skillet 8–10 minutes. Watch for marshmallows to puff and turn golden—timing varies slightly by oven and marshmallow size.

Can I use different chocolate than chips?

Yes. Chopped dark or white chocolate melts beautifully; use about 2 cups. Larger chunks give a chunkier texture while chips melt into a smooth base.

How do I prevent marshmallows from burning?

Bake just until marshmallows puff and brown. If the surface is browning too fast, move the skillet to a lower rack or tent loosely with foil for the final minute.

How should leftovers be stored and reheated?

Cool to room temperature, cover and refrigerate up to 48 hours. Reheat in a 325°F oven until warm, or microwave brief bursts, stirring between intervals to regain gooey texture.

Are there simple variations or add-ins?

Try adding a swirl of peanut butter or a sprinkle of sea salt before baking, or layer in crushed cookies. Festive sprinkles go on before baking for a melted, colorful top.

Can I make a gluten-free version?

Yes—swap the graham crackers for certified gluten-free crackers. Check marshmallow labels for gelatin sources if dietary restrictions apply.

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4th of July S'mores Dip

Three-ingredient cast iron s'mores dip: melted chocolate, toasted marshmallows, and graham crackers for sharing.

Prep time
5 min
Time to cook
10 min
Total Duration
15 min
Created by Plum Oven Sophie Warren


Level of challenge Easy

Cuisine type American

Servings made 6 Portions

Dietary details Meat-Free

Ingredient List

Main

01 2 cups milk chocolate chips
02 2 cups large marshmallows
03 2 cups graham crackers, broken into dippable pieces

How-To Steps

Step 01

Preheat oven: Preheat oven to 375°F (190°C).

Step 02

Arrange chocolate: Evenly spread 2 cups of milk chocolate chips across the base of a dry 9-inch cast iron skillet in a single layer.

Step 03

Top with marshmallows: Cover the chocolate with 2 cups of large marshmallows, placing them snugly so they form an even layer.

Step 04

Bake until puffed and golden: Place the skillet in the preheated oven and bake for 8 to 10 minutes, watching closely until marshmallows are puffed and golden brown.

Step 05

Rest briefly: Remove the skillet from the oven and let it rest for 2 to 3 minutes so the chocolate stabilizes slightly.

Step 06

Serve warm: Serve warm, using broken graham cracker pieces to scoop and enjoy immediately while the dip is gooey.

Equipment Needed

  • 9-inch cast iron skillet
  • Oven mitts
  • Serving spoon or small spatula for scooping

Allergy Advisories

Review each item for allergens and talk to your healthcare provider if unsure.
  • Contains milk (chocolate, marshmallows)
  • Contains wheat (graham crackers); contains gluten unless using certified gluten-free crackers
  • May contain soy traces depending on chocolate brand
  • Marshmallows may contain gelatin; check labels for dietary restrictions

Nutrition info (per portion)

This nutritional overview is meant for general information. For medical concerns, ask a professional.
  • Caloric Value: 295
  • Fats: 12 g
  • Carbohydrates: 44 g
  • Proteins: 3 g

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