The Magic of Marshmallow Fluff
I have a soft spot for marshmallow fluff. It reminds me of being a kid. My brother would eat it straight from the jar with a spoon. I still laugh at that.
This fluffy stuff is the star of our frosting. It makes everything light and sweet. It feels like you are spreading a sweet cloud on your cake. Doesn’t that sound fun?
A Little Story About Butter
Let me tell you about the butter. It must be soft. One time, I was in a hurry. I used cold butter. My frosting was lumpy.
So trust me on this. Leave your butter on the counter for an hour. When you press it, your finger should leave a gentle dent. This matters because soft butter whips up creamy and smooth.
Making Your Frosting Just Right
Start by whipping the butter and fluff together. Add that pinch of salt and vanilla. The smell is so wonderful. It makes the whole kitchen happy.
Now, add the powdered sugar slowly. This is the secret. If you add it all at once, you will have a sugar storm. I wear an apron for this part. What is your favorite color of apron?
The Final Touch
The heavy cream is your magic wand. Add just one teaspoon at a time. Watch the frosting change. It becomes silky and perfect for spreading.
You are in charge here. You decide how sweet and how creamy it is. This is why cooking is so special. You make it your own. Do you like your frosting very sweet or just a little sweet?
A Fun Fact to Share
Fun fact: Marshmallow fluff was once called “Liberty Cream”. It was made during World War I. Isn’t that a funny name for something so fluffy?
Food always has a story. Knowing a little history makes baking feel more special. It connects us to people from a long time ago.
Why This All Matters
This frosting is more than just sugar. It is about making something with your own hands. That feeling is so good. It is a little act of love.
Sharing a homemade treat brings people together. It creates a happy memory. What is the first thing you will frost with this? A chocolate cake? Some cupcakes? I would love to hear your plans.

Ingredients:
| Ingredient | Amount | Notes |
|---|---|---|
| Unsalted Butter | 2 Sticks (1 cup) | softened |
| Marshmallow Fluff | 7 ounce Container | |
| Salt | Pinch | |
| Vanilla Extract | 1 teaspoon | |
| Powdered Sugar | 2-3 Cups | add to desired sweetness |
| Heavy Cream | 2-4 teaspoons | add to desired consistency |

My Fluffy Cloud Frosting
Oh, this frosting is pure magic. It reminds me of the fluffy clouds in a summer sky. My grandson calls it “marshmallow dream.” It’s sweet, light, and perfect for cupcakes or a spoon. I love how simple it is to make. Let’s whip up some happiness together.
Step 1: First, put your soft butter in a big bowl. Add the whole container of marshmallow fluff. Don’t forget a tiny pinch of salt and the vanilla. Now, whip it all together until it’s creamy. I use my old hand mixer for this. It sounds like a happy little bee buzzing. (A hard-learned tip: Your butter must be soft! If it’s cold, you’ll get lumpy frosting.)
Step 2: Next, slowly add the powdered sugar. Just add half a cup at a time. Mix it well after each addition. This keeps the sugar from flying everywhere. I once made a winter wonderland in my kitchen. You can stop at two cups if you like it less sweet. I usually go for three. It’s a treat, after all!
Step 3: Finally, we make it perfectly spreadable. Add the heavy cream one teaspoon at a time. Mix and see how it looks. You want it smooth and dreamy. This is my favorite part. The smell is so sweet and wonderful. What’s your favorite thing to put this frosting on? Share below!
Cook Time: 10 minutes
Total Time: 15 minutes
Yield: About 2 cups
Category: Dessert, Frosting
Three Fun Twists to Try
This frosting is like a blank canvas. You can paint it with so many flavors. Here are a few of my favorite ideas. They always bring a smile.
Strawberry Swirl. Fold in a few tablespoons of mashed strawberry jam. It gives it a pretty pink color and a fruity taste.
Chocolate Chip Cookie. Mix in a handful of tiny chocolate chips. It adds a little crunch. It’s like a cookie in your frosting!
Peanut Butter Dream. Swap one stick of butter for creamy peanut butter. It tastes like a fluffy peanut butter cup. So good.
Which one would you try first? Comment below!
The Perfect Way to Serve It
This frosting makes any dessert special. I love it on rich chocolate cupcakes. It’s also wonderful on a simple yellow cake. For a real treat, spread it on graham crackers. It’s like a s’more without the campfire! A little sprinkle of colorful sugar on top makes it party-ready.
For a drink, a cold glass of milk is the best friend for this sweet frosting. For the grown-ups, a cup of hot coffee balances the sugar nicely. The bitter and sweet dance together so well. Which would you choose tonight?

Keeping Your Frosting Happy
This fluffy frosting is best used right away. But you can save it for later. Put it in a sealed container in the fridge. It will stay good for about one week.
I once made a big batch for two birthday cakes. Storing half in the fridge saved my day. This matters because it makes busy weeks easier. You can bake your cake ahead of time.
Let the cold frosting sit on the counter to soften. Then give it a quick stir with a spoon. This brings back its creamy, spreadable texture. Have you ever tried storing it this way? Share below!
Frosting Fixes for Smooth Sailing
Is your frosting too runny? Your butter might have been too soft. Just pop the whole bowl into the fridge for a bit. This will help it firm up nicely.
Is it too thick and sugary? Add more heavy cream. Start with just one teaspoon and mix. I remember when my frosting was like a brick. A little cream made it perfect.
Getting the consistency right builds your confidence. It also makes your cake taste so much better. Which of these problems have you run into before?
Your Frosting Questions Answered
Q: Is this frosting gluten-free? A: Yes, all the ingredients are naturally gluten-free. Always check your labels to be sure.
Q: Can I make it ahead? A: Absolutely! Make it up to two days before you need it.
Q: What if I don’t have marshmallow fluff? A: You can melt regular marshmallows with a tiny bit of butter.
Q: Can I make a smaller batch? A: Yes, just cut all the ingredients in half. It works wonderfully.
Q: Any fun additions? A: A pinch of cinnamon is lovely. Fun fact: This was my granddaughter’s idea for a fall cake. Which tip will you try first?
Share Your Sweet Creations
I hope you love making this frosting. It always reminds me of family celebrations. Your kitchen is about to be filled with sweet, happy smells.
I would be so thrilled to see what you create. Your cakes and cupcakes are probably beautiful. Have you tried this recipe? Tag us on Pinterest!
Happy cooking!
—Grace Ellington.

Marshmallow Frosting Recipe By WonkyWonderful
Description
A light, creamy, and sweet frosting perfect for cakes and cupcakes.
Ingredients
Instructions
- Whip butter, marshmallow fluff, salt and vanilla until light and creamy.
- Gradually add powdered sugar 1/2 cup at a time, mixing between each addition. Add powdered sugar to your desired sweetness.
- Add heavy cream 1 teaspoon at a time to desired consistency.
Notes
- For best results, ensure all ingredients are at room temperature before starting.