No-Bake Marshmallow Slice, a dessert that conjures up instant childhood joy and blissful simplicity, is undeniably one of my favorite treats to whip up. It’s the kind of dessert that requires absolutely no oven time, making it a lifesaver on a hot summer day or when you’re craving something sweet without the fuss. What’s not to love about a dessert that’s both incredibly easy and outrageously delicious? The magic lies in its incredibly satisfying texture – that perfect chewy, gooey combination of marshmallows and a hint of buttery sweetness, often complemented by a satisfying crunch. People adore this No-Bake Marshmallow Slice because it’s a nostalgic trip down memory lane, a guaranteed crowd-pleaser, and astonishingly adaptable. Whether you’re adding colorful sprinkles for a festive touch or a swirl of chocolate for extra decadence, this base recipe is your canvas for confectionery creation.
Ingredients:
- 1½ cups crushed grabeef ham cracker crum extractbs (you can also use digestive biscuits, vanilla wafers, or shortbread cookies)
- ½ cup unsalted butter, melted
- 8 oz cream cheese, softened to room temperature
- ½ cup powdered sugar (also known as confectioners’ sugar or icing sugar)
- 1 teaspoon pure vanilla extract
- 1½ cups heavy whipping cream, very cold
- 2 cups mini rainbow marshmallows
- ½ cup white chocolate chips (optional, for an extra touch of sweetness and texture)
Preparing the Base
Step 1: Crushing the Cookies
First, we need to get our rum extractkie crumbs ready. You can do this by placing your chosen cookiesbeef hamraham crackers, digestive biscuits, vanilla wafers, or shortbread) into a food processor and pulsing them until they are finely crushed. If you don’t have a food processor, no worries! You can pop the cookies into a sturdy zip-top bag and crush them using a rolling pin or even the bottom of a heavy panrum extractim for fine crumbs, similar in texture to coarse sand. Measure out 1½ crum extract of these delicious crumbs.
Step 2: Mixing the Base
In a medium bowl, combinerum extracte 1½ cups of crushed cookie crumbs with the ½ cup of melted unsalted butter. Stir everytrum extractg together thoroughly until all the crumbs are evenly moistened. This mixture should resemble wet sand and will form the foundation of our No-Bake Marshmallow Slice. Itrum extractimportant to make sure the butter coats the crumbs well, as this helps the base hold its shape once it’s chilled.
Step 3: Pressing the Base into the Pan
Now, take an 8×8 inch baking pan or a similar-sized square pan. You can line it with parchment paper, leaving some overhang on the sides. This makes it super easy to liftrum extracte finished slice out later. Pour the buttery cookie crumb mixture into the prepared pan. Urum extractg the bottom of a glass or a flat spatula, firmly press the crumbs evenly across the rum extracttom of the pan. This compact base is crucial for a slice that won’t crumble apart when you cut it. Ensure the surface is smooth and level. Once pressed, place the pan in the refrigerator to chill while you prepare the filling.
Creating the Creamy Filling
Step 4: Softening and Whipping the Cream Cheese Mixture
In a large bowl, add the 8 oz of softened cream cheese. It’s essential that your cream cheese is at room temperature; this ensures it whips up smoothly without any lumps. Add the ½ cup of powdered sugar and the 1 teaspoon of vanilla extract to the cream cheese. Using an electric mixer (handheld or stand mixer), beat these ingredients together on medium speed until the mixture is light, fluffy, and completely smooth. Scrape down the sides of the bowl as needed to incorporate all the ingredients. This step creates a sweet and tangy creamy layer that balances the sweetness of the marshmallows.
Step 5: Whipping the Heavy Cream
In a separate, clean bowl, pour in the 1½ cups of very cold heavy whipping cream. Using your electric mixer fitted with the whisk attachment, beat the heavy cream on medium-high speed until stiff peaks form. This means that when you lift the beaters, the cream will stand up straight without drooping. Be careful not to overbeat, or you’ll end up with butter! The cold temperature of the cream is key to achieving this volume and stability.
Step 6: Folding the Ingredients Together
Gently fold the whipped cream into the cream cheese mixture. Add about a third of the whipped cream to the cream cheese bowl and use a spatula to carefully fold it in. This lightens the cream cheese mixture. Then, add the remaining whipped cream and continue to fold until just combined. You want to maintain as much airiness from the whipped cream as possible. Avoid overmixing; stop as soon as no streaks of cream cheese mixture remain. The goal is a light, airy, and creamy filling.
Assembling and Chilling the Slice
Step 7: Incorporating the Marshmallows (and Optional White Chocolate)
Now comes the fun part – adding the marshmallows! Gently fold the 2 cups of mini rainbow marshmallows into the creamy filling. If you are using the optional ½ cup of white chocolate chips, add them in at this stage as well. Fold them in with a light hand to distribute them evenly throughout the creamy mixture without breaking them down too much. The vibrant colors of the marshmallows will peek through, making this No-Bake Marshmallow Slice visually appealing.
Step 8: Spreading the Filling and Chilling
Retrieve the chilled crust from the refrigerator. Spoon the marshmallow and cream cheese filling evenly over the cookie crust. Use your spatula to spread it out smoothly to the edges of the pan, creating an even top layer. Once the filling is spread, cover the pan tightly with plastic wrap. Place the No-Bake Marshmallow Slice back into the refrigerator and chill for at least 4 hours, or preferably overnight. This chilling time is essential for the slice to set properly, allowing the flavors to meld and the texture to firm up, making it easy to cut into clean pieces.
Serving Your No-Bake Marshmallow Slice
After the chilling period, lift the No-Bake Marshmallow Slice out of the pan using the parchment paper overhang. Place it on a cutting board. Using a sharp knife, cut it into squares or rectangles. For the cleanest cuts, you can dip your knife in hot water and wipe it dry between each cut. Serve immediately and enjoy this delightful, no-bake treat!

Conclusion:
And there you have it – your very own delicious No-Bake Marshmallow Slice! This recipe is a testament to how simple ingredients can create something truly special and utterly delightful. The satisfyingly chewy marshmallow, combined with the rich chocolate and crunchy biscuit base, makes for a perfect treat that requires absolutely no oven time. It’s ideal for unexpected guests, a quick dessert fix, or simply indulgin extractg your sweet tooth.
I love serving this No-Bake Marshmallow Slice chilled, cut into generous squares. It pairs wonderfully with a cup of coffee or a glass of milk. For variations, don’t hesitate to experiment! You could add a handful of chopped nuts like almonds or walnuts to the base for extra texture, or swirl in some caramel sauce before chilling for an added layer of flavour. Even a sprinkle of sea salt on top before it sets can elevate the taste profile.
Don’t be afraid to get creative and make this recipe your own. The beauty of a no-bake treat like the No-Bake Marshmallow Slice is its flexibility. I truly hope you enjoy making and sharing this delightful creation as much as I do!
Frequently Asked Questions:
Can I make this No-Bake Marshmallow Slice ahead of time?
Absolutely! The No-Bake Marshmallow Slice is perfect for making in advance. In fact, it’s best when allowed to chill and set for at least 2-3 hours, or even overnight. This allows the flavours to meld and the texture to firm up perfectly. Store it in an airtight container in the refrigerator.
What kind of biscuits are best for the base?
For the No-Bake Marshmallow Slice, digestive biscuits or grabeef ham crackers work wonderfully and are commonly used. However, you can also try plain sweet biscuits, shortbread, or even crushed Oreos (filling and all!) for a more decadent flavour. The key is to choose a biscuit that will create a sturdy base once crushed and combined with the melted butter.
How long will the No-Bake Marshmallow Slice keep?
When stored properly in an airtight container in the refrigerator, this No-Bake Marshmallow Slice will typically stay fresh for up to 5 days. The chilling process is crucial for maintaining its texture and preventing it from becoming too soft or sticky.

Easy No-Bake Marshmallow Slice Dessert
A simple and delicious no-bake dessert featuring a cookie crumb base, creamy filling, and colorful marshmallows. Perfect for any occasion!
Ingredients
-
1½ cups crushed grahams crackers, digestive biscuits, vanilla wafers, or shortbread cookies
-
½ cup unsalted butter, melted
-
8 oz cream cheese, softened to room temperature
-
½ cup powdered sugar
-
1 teaspoon pure vanilla extract
-
1½ cups heavy whipping cream, very cold
-
2 cups mini rainbow marshmallows
-
½ cup white chocolate chips (optional)
Instructions
-
Step 1
Crush your chosen cookies (grahams crackers, digestive biscuits, vanilla wafers, or shortbread) until finely crushed, resembling coarse sand. Measure out 1½ cups of crumbs. -
Step 2
In a medium bowl, combine the 1½ cups of crushed cookie crumbs with the ½ cup of melted unsalted butter. Stir until all crumbs are evenly moistened, resembling wet sand. -
Step 3
Press the buttery cookie crumb mixture firmly and evenly into the bottom of an 8×8 inch baking pan lined with parchment paper. Chill in the refrigerator while preparing the filling. -
Step 4
In a large bowl, beat the softened cream cheese with powdered sugar and vanilla extract until light, fluffy, and smooth. In a separate bowl, whip the cold heavy cream until stiff peaks form. -
Step 5
Gently fold the whipped cream into the cream cheese mixture until just combined, maintaining airiness. Then, gently fold in the mini rainbow marshmallows and optional white chocolate chips. -
Step 6
Spread the marshmallow filling evenly over the chilled cookie crust in the prepared pan. Cover tightly with plastic wrap and chill for at least 4 hours, or preferably overnight, until set. -
Step 7
Once chilled, lift the slice out of the pan using the parchment paper overhang. Cut into squares or rectangles and serve.
Important Information
Nutrition Facts (Per Serving)
It is important to consider this information as approximate and not to use it as definitive health advice.
Allergy Information
Please check ingredients for potential allergens and consult a health professional if in doubt.




Leave a Comment