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Sometimes the best desserts are the ones that don’t require an oven, a mixer, or even a long list of ingredients. Peanut Marshmallow Clusters fall perfectly into that category. They’re simple, nostalgic, and incredibly satisfying — the kind of sweet treat that disappears from the tray faster than you expect.

If you love the combination of chocolate and peanuts, you’re already halfway there. Add soft, chewy miniature marshmallows into the mix, and suddenly you’ve got layers of texture that make every bite interesting. The chocolate melts into a smooth, rich coating, the peanuts add crunch and a salty contrast, and the marshmallows bring just the right amount of sweetness and chew.

Why You’ll Love This Recipe

First, it’s incredibly easy. There’s no baking involved, which means no worrying about overcooking or underbaking. You simply melt, mix, scoop, and let them set.

Second, the flavor combination is timeless. Semi-sweet chocolate adds depth, milk chocolate brings creaminess, and roasted peanuts provide that irresistible salty crunch. The marshmallows soften slightly in the melted chocolate but still keep their fluffy texture.

Another reason to love this recipe? It’s crowd-pleasing. Both kids and adults gravitate toward these clusters. They’re portable, shareable, and easy to portion.

Ingredients You’ll Need

Here’s everything required to make Peanut Marshmallow Clusters:

2 cups semi-sweet chocolate chips
2 cups milk chocolate chips
3 tablespoons vegetable oil
2 cups miniature marshmallows
1½ cups dry roasted cocktail peanuts

Tip: You’ll find the full list of ingredients and measurements in the recipe card below.

The combination of semi-sweet and milk chocolate creates a balanced sweetness. The vegetable oil helps thin the melted chocolate, making it smoother and easier to coat the mix-ins evenly.

Miniature marshmallows are ideal because they distribute evenly throughout the clusters. Dry roasted cocktail peanuts add crunch and a slightly salty flavor that offsets the sweetness beautifully.

Make sure your peanuts are unsalted or lightly salted depending on your preference. If they’re heavily salted, the clusters may become overly salty.

Let’s Get Started

– Begin by lining two baking sheets with parchment paper or wax paper. This prevents sticking and makes cleanup easy.

– In a large microwave-safe bowl, combine the semi-sweet chocolate chips, milk chocolate chips, and vegetable oil. Microwave in 30-second intervals, stirring between each interval, until completely melted and smooth. Be careful not to overheat the chocolate — slow and steady is key.

– Once the chocolate is fully melted and glossy, allow it to cool slightly for about 2–3 minutes. You don’t want it too hot, or the marshmallows may melt completely.

– Add the miniature marshmallows and dry roasted peanuts to the melted chocolate. Gently fold everything together until evenly coated.

– Using a spoon or cookie scoop, drop clusters onto the prepared baking sheets. Aim for evenly sized mounds so they set uniformly.

– Allow the clusters to sit at room temperature for about 1–2 hours until firm. If you’re short on time, place them in the refrigerator for 20–30 minutes to speed up the process.

– Once set, they’re ready to enjoy.

Servings and Pairing

This recipe yields approximately 24–30 clusters, depending on size.

They pair beautifully with:

A glass of cold milk
Freshly brewed coffee
Hot cocoa during colder months
Vanilla ice cream for a fun dessert twist

They’re perfect for dessert trays, holiday cookie platters, or afternoon snack boards.

Variations

Want to mix things up? Try these ideas:

Substitute dark chocolate for a richer flavor.
Add shredded coconut for extra texture.
Stir in crushed pretzels for added crunch.
Use almonds or cashews instead of peanuts.
Drizzle white chocolate over the top for a decorative touch.

You can even add a sprinkle of flaky sea salt on top before they set for a sweet-and-salty contrast.

Storage Tips

Store Peanut Marshmallow Clusters in an airtight container at room temperature for up to 1 week.

If your kitchen is warm, refrigerate them to prevent melting. Allow them to come to room temperature before serving for the best texture.

They can also be frozen for up to 2 months. Place parchment paper between layers to prevent sticking.

Avoid storing them in direct sunlight or near heat sources.

FAQs

Can I melt the chocolate on the stovetop?

Yes, use a double boiler and stir continuously to prevent burning.

Why did my marshmallows melt too much?

The chocolate was likely too hot. Let it cool slightly before mixing in the marshmallows.

Can I use large marshmallows?

Mini marshmallows work best for even distribution, but large ones can be cut into smaller pieces.

Do I need to refrigerate them?

Not necessarily, unless your kitchen is warm. Room temperature storage works well.

Final Thoughts

Peanut Marshmallow Clusters are proof that simple ingredients can create something truly delightful. Rich chocolate, crunchy peanuts, and soft marshmallows come together in a treat that’s easy to make and even easier to love.

They’re nostalgic, satisfying, and perfect for sharing — though you might be tempted to keep a few extra for yourself.