Valentines Treats Chocolate Marshmallow Squares

Highlighted under: Easy Baking Favorites

I absolutely love making these Valentine's Treats Chocolate Marshmallow Squares! They perfectly combine the richness of chocolate with fluffy marshmallows, which is a treat that nobody can resist. Whenever I prepare them, the aroma fills the kitchen and creates a delightful atmosphere. Not only are they easy to make, but they also bring a smile to everyone’s face. These squares are perfect for sharing with loved ones or enjoying on a cozy evening at home—an indulgence that’s especially fitting for Valentine’s Day.

Lucy Thompson

Created by

Lucy Thompson

Last updated on 2026-01-06T11:01:34.460Z

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When I first tried making these squares, I was amazed at how simple yet delicious they were. The balance of creamy chocolate and soft marshmallow creates a heavenly bite that is truly irresistible. I learned that using high-quality chocolate makes all the difference, so I recommend investing in a good brand for the best flavor.

Every time I make these, I like to experiment a little by adding a dash of sea salt on top before serving. This tiny twist enhances the chocolate's richness and provides a beautiful contrast to the sweetness. It’s a small step, but it elevates the entire dessert!

Why You Will Love This Recipe

  • Decadent chocolate flavor with delightful marshmallow fluffiness
  • Simple preparation makes it a great choice for beginners
  • Perfect for gifting or sharing with loved ones on any occasion

The Perfect Balance of Flavor and Texture

These Chocolate Marshmallow Squares strike an ideal balance between the richness of chocolate and the airy lightness of marshmallows. The use of mini marshmallows ensures that each bite is packed with delightful bursts of sweetness, while the graham cracker crumbs add a subtle crunch that complements the creamy chocolate. When making the squares, be sure to combine the chocolate and butter until the mixture is completely smooth for a velvety texture. This will help prevent any graininess in your final product.

Another essential factor to achieving the right texture is the timing when mixing the ingredients. It's crucial to allow the chocolate mixture to cool slightly before folding in the marshmallows. This step helps maintain the marshmallows' shape and fluffy texture—if the chocolate is too hot, they may melt and create an undesired consistency. Aim for a temperature that's warm to the touch but not hot, ensuring you have a harmonious blend of flavors and textures.

Storage and Make-Ahead Tips

One of the best aspects of these Chocolate Marshmallow Squares is their ability to be made ahead of time. Once you cut and serve the squares, leftovers can be stored in an airtight container at room temperature for up to five days. For longer storage, consider wrapping individual squares in plastic wrap and placing them in the freezer. They can be kept frozen for up to three months. When you're ready to enjoy them, simply thaw at room temperature for about 30 minutes before serving.

If you want to elevate your treats, try incorporating different flavors or toppings. You can swirl peanut butter or caramel into the chocolate mixture for added richness. Additionally, add a sprinkle of sea salt on top just before setting, which enhances the sweetness and gives a gourmet touch. Making these squares with variations allows for creativity and ensures they never get boring!

Ingredients

For the Chocolate Marshmallow Squares

  • 1 cup of chocolate chips
  • 1/2 cup of unsalted butter
  • 2 cups of mini marshmallows
  • 1 cup of graham cracker crumbs
  • 1/4 cup of powdered sugar
  • 1 teaspoon of vanilla extract
  • Pinch of salt

Combine the ingredients and enjoy!

Instructions

Melt Chocolate and Butter

In a medium saucepan over low heat, melt the chocolate chips and unsalted butter together. Stir until smooth and remove from heat.

Combine Ingredients

In a mixing bowl, combine the graham cracker crumbs, powdered sugar, and a pinch of salt. Add the melted chocolate mixture and stir until well combined.

Add Marshmallows

Fold in the mini marshmallows and vanilla extract until they are evenly distributed throughout the chocolate mixture.

Set in Pan

Pour the mixture into a greased square baking pan and spread evenly. Let it cool at room temperature for about 30 minutes until set.

Cut and Serve

Once set, cut into squares and serve. Enjoy your homemade chocolate marshmallow squares!

These squares are perfect for any celebration!

Pro Tips

  • For a fun twist, try adding crushed nuts or sprinkles on top before the chocolate sets.

Ingredient Roles and Substitutions

The unsalted butter in this recipe plays a dual role—it not only adds richness and moisture but also helps create that smooth chocolate mixture when melted with the chips. If you're looking for a dairy-free option, coconut oil can be a great substitute, providing a distinct, yet complementary flavor to the chocolate. Just remember that it may slightly alter the texture, so ensure it's melted completely before mixing.

As for the chocolate chips, feel free to experiment with semi-sweet, dark, or even white chocolate, depending on your taste preference. Each type will bring its own unique flavor profile to the squares. If you're using white chocolate, consider adding a touch of cocoa powder to the mixture for a deeper taste contrast. This adaptability makes the recipe highly customizable to your liking.

Troubleshooting Common Issues

One common issue when making these squares is the chocolate seizing during melting. Ensure you’re using low heat and constant stirring to avoid this. If your chocolate does seize, you can salvage it by adding a small amount of vegetable oil or butter, stirring until smooth again. This will help restore its glossy texture without impacting the flavor significantly.

Another potential hurdle is the squares not setting properly. This can happen if the mixture was too warm when poured into the pan. Allow it to cool at room temperature for at least 30 minutes, or if you’re in a hurry, pop it into the refrigerator for 15-20 minutes. Just be careful not to leave them in too long, as they could become too firm and difficult to cut.

Questions About Recipes

→ Can I use dark chocolate instead of milk chocolate?

Absolutely! Dark chocolate will give a richer flavor and pair nicely with the sweetness of marshmallows.

→ How should I store the chocolate marshmallow squares?

Store them in an airtight container at room temperature for up to one week.

→ Can I make these ahead of time?

Yes! They can be made a few days in advance, just ensure they are stored properly.

→ What can I substitute for graham cracker crumbs?

You can use crushed digestive biscuits or vanilla wafers as a substitute.

Valentines Treats Chocolate Marshmallow Squares

I absolutely love making these Valentine's Treats Chocolate Marshmallow Squares! They perfectly combine the richness of chocolate with fluffy marshmallows, which is a treat that nobody can resist. Whenever I prepare them, the aroma fills the kitchen and creates a delightful atmosphere. Not only are they easy to make, but they also bring a smile to everyone’s face. These squares are perfect for sharing with loved ones or enjoying on a cozy evening at home—an indulgence that’s especially fitting for Valentine’s Day.

Prep Time15 minutes
Cooking Duration20 minutes
Overall Time35 minutes

Created by: Lucy Thompson

Recipe Type: Easy Baking Favorites

Skill Level: Easy

Final Quantity: 16 squares

What You'll Need

For the Chocolate Marshmallow Squares

  1. 1 cup of chocolate chips
  2. 1/2 cup of unsalted butter
  3. 2 cups of mini marshmallows
  4. 1 cup of graham cracker crumbs
  5. 1/4 cup of powdered sugar
  6. 1 teaspoon of vanilla extract
  7. Pinch of salt

How-To Steps

Step 01

In a medium saucepan over low heat, melt the chocolate chips and unsalted butter together. Stir until smooth and remove from heat.

Step 02

In a mixing bowl, combine the graham cracker crumbs, powdered sugar, and a pinch of salt. Add the melted chocolate mixture and stir until well combined.

Step 03

Fold in the mini marshmallows and vanilla extract until they are evenly distributed throughout the chocolate mixture.

Step 04

Pour the mixture into a greased square baking pan and spread evenly. Let it cool at room temperature for about 30 minutes until set.

Step 05

Once set, cut into squares and serve. Enjoy your homemade chocolate marshmallow squares!

Extra Tips

  1. For a fun twist, try adding crushed nuts or sprinkles on top before the chocolate sets.

Nutritional Breakdown (Per Serving)

  • Calories: 250 kcal
  • Total Fat: 15g
  • Saturated Fat: 9g
  • Cholesterol: 30mg
  • Sodium: 55mg
  • Total Carbohydrates: 28g
  • Dietary Fiber: 1g
  • Sugars: 20g
  • Protein: 2g