Valentines Treats Chocolate Marshmallow Squares

Highlighted under: Creative Baking Inspiration

I love making these Chocolate Marshmallow Squares for Valentine’s Day, as they are the perfect combination of rich chocolate and fluffy marshmallows. The first time I made them, I was surprised by how easy they were, yet they make such a delightful treat to share with loved ones. Each bite is a burst of flavor, and I can't resist adding sprinkles on top for an extra festive touch. Whether for a special occasion or just a sweet surprise, these squares never fail to impress!

Bryony Wells

Created by

Bryony Wells

Last updated on 2026-01-06T15:33:35.046Z

When I first tried making these Chocolate Marshmallow Squares, I was amazed at how simple the process was! The combination of melting chocolate and fluffy marshmallows creates a magnificent texture that is both rich and comforting. Using high-quality chocolate really elevates the flavor, so I recommend splurging a little on this ingredient.

What truly sets these squares apart is the layering. Pouring the melted chocolate over the marshmallow mixture creates a striking contrast, making each piece visually appealing. Don’t forget to let them cool completely before cutting; this step ensures cleaner slices and a better presentation!

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Why You'll Love This Recipe

  • Rich chocolate flavor paired with fluffy marshmallows
  • Creamy texture that melts in your mouth
  • Perfect for sharing on Valentine's Day

Understanding the Ingredients

The balance of ingredients in Chocolate Marshmallow Squares is crucial for achieving that perfect texture. The milk chocolate chips provide a rich base, while the mini marshmallows add a delightful fluffy contrast. Be sure to measure your graham cracker crumbs accurately; they not only provide a crunchy texture but also help to bind the mixture together. If you prefer a deeper flavor, you can opt for dark chocolate chips, which can enhance the richness of the squares.

Cocoa powder plays a significant role in defining the chocolate flavor—using unsweetened cocoa powder helps maintain the right sweetness level since the marshmallows and powdered sugar contribute additional sweetness. As for the butter, it introduces moisture, creating a melt-in-your-mouth texture. If you're looking for a dairy-free option, you can substitute coconut oil or a plant-based butter alternative.

Mastering the Technique

To achieve a glossy finish on your melted chocolate, do not exceed 30 seconds in the microwave without stirring. Overheating can cause the chocolate to seize, resulting in a grainy texture. If your chocolate does become too thick, you can add a teaspoon of vegetable oil to help it regain its smooth consistency. After melting, it's essential to wait a few minutes before spreading it in the pan, as this will prevent the chocolate from melting the marshmallow layer beneath.

When layering the ingredients, make sure that the marshmallow mixture is spread evenly over the chocolate base. This ensures that each square has a consistent flavor and texture. If you're feeling creative, you can incorporate flavors into the marshmallow layer, such as a splash of peppermint extract or a pinch of sea salt to enhance the chocolate depth.

Storing and Serving Suggestions

These Chocolate Marshmallow Squares can be made ahead of time and stored in an airtight container in the refrigerator for up to a week. If you want to keep them longer, you can freeze them for up to three months. Just make sure to wrap them individually in plastic wrap and then place them in a freezer-safe bag to prevent freezer burn.

For serving, cut the squares into larger pieces if you're sharing them at a gathering—they make for lovely bite-sized treats. Feel free to dress them up with more sprinkles, or drizzle some melted chocolate over the top for a beautiful presentation. If you're looking to create a themed dessert platter for Valentine's Day, I suggest pairing these squares with strawberries or heart-shaped cookies for a sweet spread.

Ingredients

Gather the following ingredients to create your Chocolate Marshmallow Squares:

Ingredients

  • 2 cups milk chocolate chips
  • 1 cup mini marshmallows
  • 1 cup graham cracker crumbs
  • 1/2 cup unsweetened cocoa powder
  • 1/4 cup butter, melted
  • 1/4 cup powdered sugar
  • 1 teaspoon vanilla extract
  • Sprinkles for topping (optional)

Make sure to measure ingredients accurately for the best results!

Instructions

Follow these steps to create your delicious squares:

Melt the Chocolate

In a microwave-safe bowl, combine the milk chocolate chips and melt in 30-second intervals, stirring in between until smooth.

Mix Ingredients

In a separate bowl, mix the marshmallows, graham cracker crumbs, cocoa powder, melted butter, powdered sugar, and vanilla extract until well combined.

Combine Layers

Spread half of the melted chocolate in the bottom of an 8x8 inch pan. Then layer the marshmallow mixture on top. Pour the remaining melted chocolate over the marshmallow mixture.

Set and Serve

Refrigerate for at least 2 hours or until set. Once cooled, cut into squares and top with sprinkles if desired.

Enjoy your delicious treats!

Pro Tips

  • For an added twist, try using different types of chocolate or adding flavors like peppermint or almond extract.

Troubleshooting Common Issues

If your Chocolate Marshmallow Squares haven’t set properly after two hours, it may be due to the temperature of your refrigerator being too high. Try leaving them in for an additional hour and check again. For the best results, ensure your mixture is well combined and not too warm when layering. If they’re too soft upon cutting, chills them again for about 30 minutes before attempting to slice.

In some cases, individuals find their chocolate separating or not adhering to the marshmallow layer. This can happen if the chocolate cools too much when spread first. Keep an eye on your chocolate; it should remain pourable while layering. In the future, consider using more chocolate or slightly warming the base before adding the top layer.

Creative Variations to Try

While the classic version of Chocolate Marshmallow Squares is beloved, you can easily adapt this recipe to experiment with flavors. For a nutty twist, consider adding crushed walnuts or pecans to the graham cracker mixture before pressing it into the pan. You could also introduce different types of chocolate, such as white chocolate chips, for a beautiful color contrast.

Another fun idea is to incorporate flavored marshmallows—strawberry or peppermint marshmallows can add an unexpected burst of flavor. If you're a fan of spices, feel free to sprinkle in some cinnamon or nutmeg to the chocolate layer for a unique twist that pairs beautifully with the sweetness of the marshmallows.

Questions About Recipes

→ Can I make these ahead of time?

Yes! These squares can be made a few days in advance and stored in the refrigerator.

→ Can I use dark chocolate instead?

Absolutely! Dark chocolate will give a richer flavor to the squares.

→ What if I don't have graham cracker crumbs?

You can substitute crushed cookies or even ground almonds for a different flavor and texture.

→ How should I store the leftovers?

Store leftover squares in an airtight container in the fridge for up to a week.

Valentines Treats Chocolate Marshmallow Squares

I love making these Chocolate Marshmallow Squares for Valentine’s Day, as they are the perfect combination of rich chocolate and fluffy marshmallows. The first time I made them, I was surprised by how easy they were, yet they make such a delightful treat to share with loved ones. Each bite is a burst of flavor, and I can't resist adding sprinkles on top for an extra festive touch. Whether for a special occasion or just a sweet surprise, these squares never fail to impress!

Prep Time20 minutes
Cooking Duration10 minutes
Overall Time30 minutes

Created by: Bryony Wells

Recipe Type: Creative Baking Inspiration

Skill Level: Easy

Final Quantity: 16 squares

What You'll Need

Ingredients

  1. 2 cups milk chocolate chips
  2. 1 cup mini marshmallows
  3. 1 cup graham cracker crumbs
  4. 1/2 cup unsweetened cocoa powder
  5. 1/4 cup butter, melted
  6. 1/4 cup powdered sugar
  7. 1 teaspoon vanilla extract
  8. Sprinkles for topping (optional)

How-To Steps

Step 01

In a microwave-safe bowl, combine the milk chocolate chips and melt in 30-second intervals, stirring in between until smooth.

Step 02

In a separate bowl, mix the marshmallows, graham cracker crumbs, cocoa powder, melted butter, powdered sugar, and vanilla extract until well combined.

Step 03

Spread half of the melted chocolate in the bottom of an 8x8 inch pan. Then layer the marshmallow mixture on top. Pour the remaining melted chocolate over the marshmallow mixture.

Step 04

Refrigerate for at least 2 hours or until set. Once cooled, cut into squares and top with sprinkles if desired.

Extra Tips

  1. For an added twist, try using different types of chocolate or adding flavors like peppermint or almond extract.

Nutritional Breakdown (Per Serving)

  • Calories: 380 kcal
  • Total Fat: 26g
  • Saturated Fat: 15g
  • Cholesterol: 195mg
  • Sodium: 85mg
  • Total Carbohydrates: 32g
  • Dietary Fiber: 3g
  • Sugars: 24g
  • Protein: 6g