M&M’s Marshmallow Dream Bars Recipe

If you’re anything like me and have a serious sweet tooth, you’ll absolutely adore this **M&M’s Marshmallow Dream Bars Recipe**. It’s a fun, colorful treat that’s super easy to whip up and always a crowd-pleaser. Whether you’re making it for a party, a family dessert, or just because you deserve a little indulgence, these bars bring all the gooey, chocolatey, and crunchy goodness you could hope for. Stick around—I’ll walk you through my favorite way to make them, with tips and tricks to ensure they turn out perfectly every time!

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Why You’ll Love This Recipe

  • Super Simple: You just melt, mix, and chill—no complicated steps or fancy equipment needed.
  • Colorful & Fun: The M&M’s add a pop of color that makes these bars perfect for parties and celebrations.
  • Textural Delight: Gooey marshmallows meet creamy peanut butter and crunchy chocolate chips for an irresistible combo.
  • Family Favorite: My kids (and their friends) beg me to make these whenever we have get-togethers!

Ingredients You’ll Need

These ingredients come together beautifully to create a dreamy, chewy bar that’s bursting with flavor. When you’re shopping, look for quality chocolate and fresh marshmallows to really elevate your bars.

Flat lay of a small mound of glossy semi-sweet chocolate chips, a heap of smooth golden butterscotch chips, a dollop of creamy peanut butter on a white ceramic plate, a small white bowl filled with fluffy mini marshmallows, a small white bowl brimming with colorful M&Ms, all arranged with perfect symmetry and balanced proportions, placed on a clean white marble surface, soft natural light, photo taken with an iPhone, professional food photography style, fresh ingredients, white ceramic bowls, no bottles, no duplicates, no utensils, no packaging --ar 2:3 --v 7 --p m7354615311229779997 - M&M's Marshmallow Dream Bars, colorful marshmallow bars, easy chocolate marshmallow bars, no-bake dessert bars, party treat bars
  • Semi-sweet chocolate chips: This balances out the sweetness from the marshmallows and butterscotch for a perfect chocolatey flavor.
  • Butterscotch chips: They add a lovely caramel note that’s super comforting and rich.
  • Creamy peanut butter: Creamy works best here to blend smoothly and bind everything without chunks.
  • Mini marshmallows: Smaller ones melt and coat better, giving you that soft, chewy texture that defines dream bars.
  • M&Ms: Adds both crunch and a splash of playful color—feel free to use your favorite kind!
Note: You’ll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.

Variations

I love experimenting with my M&M’s Marshmallow Dream Bars Recipe, and you should too! These bars are incredibly forgiving, which means you can easily swap ingredients to match your tastes or what you have in your pantry.

  • Nut-Free Version: Try using sunflower seed butter instead of peanut butter—my nephew has a peanut allergy, and this swap still yields delicious bars!
  • Chocolate Lovers’ Dream: Swap the butterscotch chips for more semi-sweet chocolate chips if you want a richer chocolate hit.
  • Seasonal Twist: Use holiday-themed M&M’s or add crushed peppermint candies around Christmas for a festive touch.
  • Extra Crunch: Stir in chopped nuts like pecans or almonds—you get a nice texture contrast that’s well worth it.

How to Make M&M’s Marshmallow Dream Bars Recipe

Step 1: Prep Your Pan Like a Pro

Start by lining a 9×13-inch baking dish with non-stick foil or parchment paper. This little trick makes clean-up a breeze and helps when it’s time to lift the bars out for slicing. If you don’t have foil with a non-stick coating, just spray your foil lightly with cooking spray to avoid sticky situations.

Step 2: Melt Your Chocolate and Butterscotch Magic

Grab a large microwave-safe bowl and combine the semi-sweet chocolate chips, butterscotch chips, and creamy peanut butter. Microwave in 30-second bursts, stirring well after each interval, until everything is melted and smoothly blended. This slow-melt approach avoids scorching your chocolate and ensures a great texture. I usually add a little extra stirring time at the end to get it perfectly smooth.

Step 3: Fold in the Marshmallows

Now, stir in the mini marshmallows until they’re all coated in that heavenly melted mixture. The marshmallows will soften slightly but still give you that lovely chewiness you want in dream bars. Don’t wait too long to scoop it into the pan—marshmallows can start to melt away!

Step 4: Press, Sprinkle, and Chill

Pour the entire gooey mixture into your prepared pan and spread evenly. Then sprinkle the M&M’s evenly on top and press down just a little so they stick nicely. Pop the pan into the fridge for about 2 hours until the bars are set and easy to slice.

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Pro Tips for Making M&M’s Marshmallow Dream Bars Recipe

  • Use Quality Chips: I’ve found that higher-quality chocolate and butterscotch chips melt more smoothly and taste richer—don’t skimp here!
  • Gentle Mixing: Stir gently when coating the marshmallows so they keep their shape and don’t melt completely.
  • Chill Thoroughly: Letting the bars chill fully helps the peanut butter and chocolate firm up for clean slices.
  • Cutting Cooling Bars: Wait until cold before cutting to avoid gooey edges—warm bars are tricky to slice without sticking.

How to Serve M&M’s Marshmallow Dream Bars Recipe

M&M's Marshmallow Dream Bars Recipe - Serving

Garnishes

When I serve these bars, I like to add a few extra M&M’s or mini marshmallows on top just before presenting, for that festive pop. Sometimes I even drizzle a little melted chocolate over the bars to make them look extra special and give an indulgent finish.

Side Dishes

I usually pair these bars with a big glass of cold milk—it complements the sweetness perfectly. They’re also fantastic alongside a simple bowl of fresh berries if you want a bit of juicy freshness on the side.

Creative Ways to Present

For birthday parties or holidays, I like to cut the bars into bite-sized squares, place them on cute paper liners, and arrange them on a tiered dessert tray. It makes the colorful M&M’s really pop and adds a fun vibe to the dessert table!

Make Ahead and Storage

Storing Leftovers

I store leftover M&M’s Marshmallow Dream Bars in an airtight container at room temperature for up to 3 days. If your kitchen’s warm, pop them in the fridge to keep the bars firm without losing their chewiness.

Freezing

You can totally freeze these bars! I wrap them tightly with plastic wrap and then aluminum foil and freeze for up to 2 months. When you want to enjoy them, just thaw in the fridge overnight. They hold up surprisingly well!

Reheating

If you like your bars a little softer, gently warm a single serving in the microwave for 10-15 seconds—just enough to melt them slightly without turning gooey. I do this often when I’m craving a warm treat that’s still easy to handle.

FAQs

  1. Can I use regular marshmallows instead of mini marshmallows?

    Yes, you can, but you’ll want to cut the regular-sized marshmallows into smaller pieces so they melt and coat evenly. Mini marshmallows just work best because they fold in smoothly and create that signature chewy texture.

  2. What can I substitute for peanut butter if I have allergies?

    Sunflower seed butter or soy nut butter are great alternatives when avoiding peanuts. The key is to use a creamy variety so your bars stay smooth and hold together well.

  3. How long will M&M’s Marshmallow Dream Bars stay fresh?

    Stored properly in an airtight container, these bars stay fresh for about 3-4 days at room temperature. Refrigerating can extend their life by a couple more days if needed.

  4. Can I bake these bars instead of chilling them?

    This recipe is designed to set in the fridge rather than bake, because it relies on the melted chips and peanut butter to harden as they cool. Baking might melt the marshmallows too much and change the texture.

Final Thoughts

I absolutely love how this M&M’s Marshmallow Dream Bars Recipe turns out every time—there’s something magical about the way the marshmallows, chocolate, and peanut butter come together that feels like a hug in dessert form. I remember the first time I made these bars, they disappeared so fast my family begged me to make them again the next week! I hope you enjoy making and sharing them just as much—they’re a perfect treat to brighten any day.

Print
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M&M's Marshmallow Dream Bars Recipe

M&M’s Marshmallow Dream Bars Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.7 from 74 reviews
  • Author: Hannah
  • Prep Time: 5 minutes
  • Cook Time: 0 minutes
  • Total Time: 2 hours 5 minutes
  • Yield: 36 bars 1x
  • Category: Dessert
  • Method: No-Cook
  • Cuisine: American

Description

M&M’s Marshmallow Dream Bars are a delightful no-bake treat combining melty semi-sweet chocolate chips, sweet butterscotch chips, creamy peanut butter, gooey mini marshmallows, and colorful M&Ms. These bars come together quickly and are perfect for satisfying a sweet tooth with a fun, crunchy texture.


Ingredients

Scale

Chocolate Mixture

  • 12 oz package semi-sweet chocolate chips
  • 11 oz package butterscotch chips
  • 1 cup creamy peanut butter

Mix-ins and Topping

  • 10.5 oz bag mini marshmallows
  • 1 cup M&Ms

Instructions

  1. Prepare the Pan: Line a 9×13-inch baking dish with non-stick foil, making sure the foil covers the sides for easy removal later. Set it aside while you prepare the mixture.
  2. Melt the Chocolate and Peanut Butter: In a large microwave-safe container, combine the semi-sweet chocolate chips, butterscotch chips, and creamy peanut butter. Microwave on high heat in 30-second intervals, stirring thoroughly between each interval, until all the chips are fully melted and the mixture is smooth and well combined.
  3. Add the Marshmallows: Stir the mini marshmallows into the melted chocolate-peanut butter mixture until they are fully coated and evenly distributed throughout the mixture.
  4. Transfer to Pan: Pour the marshmallow-chocolate mixture into the prepared baking dish, spreading it out evenly with a spatula.
  5. Add M&Ms Topping: Sprinkle the cup of M&Ms evenly over the top of the mixture. Gently press the M&Ms down slightly into the mixture so they adhere well.
  6. Chill to Set: Place the baking dish in the refrigerator and chill for about 2 hours or until the bars are fully set and firm to the touch.
  7. Cut and Serve: Once set, lift the bars out of the dish using the foil overhang and cut into approximately 36 bars. Store leftovers in an airtight container at room temperature or in the fridge as preferred.

Notes

  • Be sure to stir well between microwaving intervals to avoid burning the chocolate chips.
  • Use non-stick foil or parchment paper to ensure easy removal of the bars from the pan.
  • For a nut-free version, substitute the peanut butter with sunflower seed butter.
  • Store bars in an airtight container to keep them fresh longer.
  • If desired, customize with different candy toppings to suit your preference.

Nutrition

  • Serving Size: 1 bar
  • Calories: 160
  • Sugar: 18g
  • Sodium: 90mg
  • Fat: 8g
  • Saturated Fat: 4g
  • Unsaturated Fat: 3g
  • Trans Fat: 0g
  • Carbohydrates: 22g
  • Fiber: 1g
  • Protein: 2g
  • Cholesterol: 5mg

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