Valentines Treats Chocolate Marshmallow Squares

Highlighted under: Sweet Baking Collection

Every Valentine's Day, we crave something sweet and delightful, and these Chocolate Marshmallow Squares never disappoint! I love how simple ingredients can transform into an irresistible treat that brings joy to loved ones. The creamy chocolate, fluffy marshmallows, and a hint of crunch come together in a square that’s as charming as it is delicious. Whether you’re planning a romantic evening or simply want to indulge, these squares are the perfect choice for celebrating love!

Natalie Evans

Created by

Natalie Evans

Last updated on 2026-01-06T11:53:35.097Z

When I first attempted to make these Chocolate Marshmallow Squares, I was pleasantly surprised by how quickly everything came together. The combination of warm melted chocolate mixed with fluffy marshmallows creates a decadence that's hard to resist. I learned that using high-quality chocolate truly elevates the flavor, making each bite a little piece of heaven.

One of my favorite tips is to let the squares set in the fridge for at least an hour. This not only helps firm up the treat, but it also allows the flavors to meld beautifully. The anticipation makes indulging even sweeter, and I often find myself enjoying them with a cup of hot cocoa!

Reasons to Love These Treats

  • Decadent chocolate flavor paired with soft marshmallows
  • Chewy texture that’s simply irresistible
  • Perfect for sharing with loved ones on Valentine’s Day

Understanding the Ingredients

The foundation of these Chocolate Marshmallow Squares begins with high-quality dark chocolate. Opt for chocolate with at least 60% cocoa for a rich, sophisticated flavor that balances well with the sweetness of the marshmallows. The butter adds a creamy element, enhancing the overall texture. If you're looking for a dairy-free option, coconut oil can be a great substitute, providing a subtle flavor that complements the chocolate without losing richness.

Marshmallows are the star of the show in terms of texture, contributing to that deliciously soft and chewy bite. For a healthier twist, consider using natural or organic marshmallows, which can be found in many grocery stores today. They often contain fewer artificial ingredients and added sugars, allowing for a more wholesome treat without sacrificing taste.

Perfecting the Technique

When melting the chocolate and butter, patience is key. Keep the heat on low to prevent burning the chocolate, which can lead to a grainy texture. Stir frequently and remove the mixture from heat as soon as it becomes glossy and smooth. This method ensures that you achieve a silky base that will coat the marshmallows evenly. If you accidentally overheat the chocolate, adding a teaspoon of oil can help rescue it by smoothing out the texture.

Be mindful of how you fold the marshmallows into the chocolate mixture. Use a spatula to gently combine them without deflating the volume. A good technique is to scrape down the sides of the bowl while lifting the mixture from the bottom. This retains the marshmallow’s airiness, ensuring those delightful pockets of chewiness in each square.

Storage and Serving Suggestions

These Chocolate Marshmallow Squares can be made ahead of time, making them perfect for last-minute celebrations or as a sweet gift. Once cut into squares, they can be stored in an airtight container in the refrigerator for up to one week. For longer storage, you can freeze them. Just make sure to separate the layers with parchment paper to prevent sticking, allowing them to be thawed easily when you’re ready to serve.

For serving, I love to elevate these treats by pairing them with fresh strawberries or raspberries for a pop of color and a tart contrast to the sweetness. You could also drizzle them with white chocolate or sprinkle sea salt on top for an added flavor dimension that balances their richness beautifully.

Ingredients

Ingredients

For the Chocolate Marshmallow Squares

  • 200g dark chocolate, chopped
  • 1 cup marshmallows
  • 1/2 cup butter
  • 1 cup rice cereal
  • 1/4 cup powdered sugar
  • 1 tsp vanilla extract

Prepare the Ingredients

Instructions

Instructions

Melt the Chocolate

In a saucepan over low heat, combine the chopped dark chocolate and butter. Stir occasionally until melted and smooth.

Add Marshmallows

Remove from heat and gently fold in the marshmallows until well-coated with the chocolate mixture.

Mix in Cereal

Add the rice cereal and vanilla extract to the chocolate and marshmallow mixture, mixing until evenly distributed.

Transfer and Set

Spread the mixture into a lined square baking dish. Press down gently to form an even layer, then sprinkle with powdered sugar.

Chill

Refrigerate for at least 1 hour until set. Cut into squares before serving.

Enjoy Your Creation!

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Pro Tips

  • For an extra layer of flavor, consider drizzling some melted white chocolate on top before chilling. This adds a lovely contrast and makes it even more festive!

Creative Variations

Feel free to customize these squares to your taste! Adding a teaspoon of espresso powder when melting the chocolate can enhance the chocolate flavor and add a sophisticated touch. For a nutty variation, fold in chopped nuts or seeds along with the rice cereal—think pecans, walnuts, or even sunflower seeds—for a delightful crunch that contrasts with the softness of the marshmallows.

If you're looking to incorporate a festive flair, consider swapping out the vanilla extract for almond extract or even peppermint extract, especially around the holidays. This small adjustment can completely change the profile of the treats and make them suitable for various occasions.

Troubleshooting Tips

If your squares aren’t setting properly, it could be due to the marshmallows being too large or too little rice cereal mixed in. Ensure you use mini marshmallows or cut larger ones down to size, and measure your cereal carefully. The mixture should hold together firmly enough to cut without falling apart, but still have a soft, chewy consistency.

Another common issue could be if the chocolate mixture seizes up when cooled too quickly. Always let it come to room temperature before refrigerating. If you find your mixture is too hard after chilling, a few seconds in the microwave can soften it back up, allowing for easier cutting and serving.

Questions About Recipes

→ Can I use milk chocolate instead of dark chocolate?

Yes, milk chocolate can be used, but keep in mind it will make the squares sweeter.

→ How long can I store these squares?

They can be stored in an airtight container in the fridge for up to a week.

→ Can I add nuts to the recipe?

Absolutely! Chopped nuts like pecans or almonds can add a nice crunch.

→ Is it necessary to refrigerate before serving?

Yes, chilling helps the squares firm up for easier slicing and a better texture.

Valentines Treats Chocolate Marshmallow Squares

Every Valentine's Day, we crave something sweet and delightful, and these Chocolate Marshmallow Squares never disappoint! I love how simple ingredients can transform into an irresistible treat that brings joy to loved ones. The creamy chocolate, fluffy marshmallows, and a hint of crunch come together in a square that’s as charming as it is delicious. Whether you’re planning a romantic evening or simply want to indulge, these squares are the perfect choice for celebrating love!

Prep Time20 minutes
Cooking Duration15 minutes
Overall Time35 minutes

Created by: Natalie Evans

Recipe Type: Sweet Baking Collection

Skill Level: Beginner

Final Quantity: 12 squares

What You'll Need

For the Chocolate Marshmallow Squares

  1. 200g dark chocolate, chopped
  2. 1 cup marshmallows
  3. 1/2 cup butter
  4. 1 cup rice cereal
  5. 1/4 cup powdered sugar
  6. 1 tsp vanilla extract

How-To Steps

Step 01

In a saucepan over low heat, combine the chopped dark chocolate and butter. Stir occasionally until melted and smooth.

Step 02

Remove from heat and gently fold in the marshmallows until well-coated with the chocolate mixture.

Step 03

Add the rice cereal and vanilla extract to the chocolate and marshmallow mixture, mixing until evenly distributed.

Step 04

Spread the mixture into a lined square baking dish. Press down gently to form an even layer, then sprinkle with powdered sugar.

Step 05

Refrigerate for at least 1 hour until set. Cut into squares before serving.

Extra Tips

  1. For an extra layer of flavor, consider drizzling some melted white chocolate on top before chilling. This adds a lovely contrast and makes it even more festive!

Nutritional Breakdown (Per Serving)

  • Calories: 200 kcal
  • Total Fat: 12g
  • Saturated Fat: 7g
  • Cholesterol: 20mg
  • Sodium: 40mg
  • Total Carbohydrates: 24g
  • Dietary Fiber: 1g
  • Sugars: 10g
  • Protein: 2g