Cloud-white marshmallow ice cream hits the spoon with a soft, billowy texture that lands somewhere between classic custard ice cream and a spoonful of marshmallow creme. The flavor is clean and sweet without tasting heavy, and the tiny marshmallow pieces give each bite a little chew against the smooth base. It’s the kind of dessert that disappears fast because it feels familiar and playful at the same time.
The trick is treating the custard gently and letting the marshmallow creme melt in after the base comes off the heat. That keeps the texture smooth instead of sticky or grainy. The egg yolks give the ice cream enough body to scoop well, while the cream and whole milk keep it rich without turning it dense.
Below, I’ll walk you through the point where the custard thickens, how to fold in the marshmallows without sinking them, and what to do if you want that toasted marshmallow note without adding extra sugar.
The custard turned out silky and the marshmallow creme melted in without any lumps. The mini marshmallows stayed chewy after freezing, which was exactly what I wanted.
Like this cloud-like marshmallow ice cream? Save it to Pinterest for the nights when you want a fluffy, creamy frozen dessert with mini marshmallow bites.
The Custard Base Needs Gentle Heat, Not Guesswork
Ice cream custard is where a lot of homemade versions go wrong. If the heat runs too high, the egg yolks tighten too fast and you end up with a grainy base that never feels silky again. Here, the goal is 175°F, which gives you enough thickness for a scoopable texture without crossing into scrambled-egg territory.
The marshmallow creme also changes the game. Since it’s already smooth and stable, you add it after the custard comes off the burner, not while it’s boiling. That keeps the sweet marshmallow flavor front and center and prevents the base from turning sticky or clumpy.
- Heavy cream — This is what gives the ice cream its plush body. Don’t swap in low-fat dairy here; the texture gets icier and the marshmallow flavor won’t feel as round.
- Whole milk — It lightens the base just enough so the finished ice cream doesn’t taste like frozen whipped cream. Half-and-half works in a pinch, but the finished texture will be a little richer and less clean.
- Marshmallow creme — This is the signature ingredient, and there isn’t a substitute that behaves the same way. Regular marshmallows won’t melt as smoothly into the custard, so if you use them, you’ll get a different texture and need to work harder to dissolve them.
- Egg yolks — They thicken the base and help it freeze into a scoopable custard. The yolks also keep the sweetness from feeling one-note, which matters in a dessert this pale and simple.
- Mini marshmallows — These go in at the end so they stay chewy instead of dissolving. If you want a toasted marshmallow note, torch them quickly before folding them in, but let them cool for a minute so they don’t melt into the churned base.
What Each Ingredient Is Actually Doing in This Ice Cream
- Base ingredient (cream, milk, or custard) — This provides the foundation and richness. Quality matters.
- Sweetener (sugar, honey, or condensed milk) — This sweetens and prevents ice crystals. The ratio is critical.
- Flavor element (vanilla, fruit, chocolate, coffee, or other) — This defines the ice cream personality. Use quality ingredients.
- Egg yolks (if making custard base) — These create richness and silky texture. Optional but elevates ice cream.
- Churning (if using ice cream maker) — This incorporates air and prevents ice crystals. Critical for smooth texture.
- Freezing temperature and time — Proper freezing prevents rock-hard texture. Store at 0°F or below.
- Mix-ins (chocolate, cookies, fruit, or swirls) — These add texture and prevent one-dimensional flavor. Add near end of churning.
- Serving temperature (slightly soft, not rock hard) — This provides creamy mouthfeel. Remove from freezer 5 minutes before serving.
Cooking the Custard Without Losing That Fluffy Texture
Heating the Dairy
Warm the cream and milk until they’re steaming and small bubbles gather around the edge, but don’t let them boil. Hot dairy helps the yolks temper smoothly, and boiling milk can scorch on the bottom of the pan or make the custard taste flat. Whisk steadily as you combine the mixtures so the eggs loosen gradually instead of clumping.
Thickening to the Right Point
Return the mixture to the saucepan and cook it, stirring constantly, until it reaches 175°F and lightly coats the back of a spoon. If you don’t have a thermometer, look for a custard that leaves a clear trail when you drag a finger through the spoonful. Pull it off the heat as soon as it thickens; a few extra degrees is often the difference between smooth ice cream and a grainy base.
Melting in the Marshmallow Creme
Off the heat, whisk in the marshmallow creme until the base turns completely smooth and glossy. It should disappear into the custard without streaks. If it fights you and looks sticky at first, keep whisking from the heat for another minute rather than putting the pan back on the burner, which can overcook the eggs.
Chilling, Churning, and Folding
Stir in the vanilla and salt, then chill the base until it’s fully cold. That rest matters because a warm custard won’t churn into a dense, creamy ice cream. When you churn, add the mini marshmallows during the last couple of minutes so they distribute through the machine without breaking down, then freeze the finished ice cream until firm enough to scoop.
Small Changes That Still Keep the Marshmallow Ice Cream Honest
Toasted Marshmallow Version
Torch the mini marshmallows just until the edges darken, then let them cool before folding them in. You’ll get a deeper campfire note without burning the whole batch or adding any bitterness to the custard.
Dairy-Free Swap
Use full-fat coconut milk for the dairy and a plant-based cream if you have one that churns well. The result will be a little softer and you’ll pick up a faint coconut note, but the marshmallow flavor still comes through clearly.
Lighter Sweetness
If you want the marshmallow flavor without quite as much sweetness, reduce the granulated sugar by 2 tablespoons. Don’t cut it much further or the custard can freeze harder and lose that soft, scoopable texture.
Storage and Reheating
- Refrigerator: Store the churned ice cream in an airtight container in the freezer, not the fridge. It keeps well for about 2 weeks before the texture starts to get icier.
- Freezer: It freezes beautifully, but press parchment or plastic wrap directly onto the surface before sealing the container to limit ice crystals.
- Reheating: Let it sit at room temperature for 5 to 10 minutes before scooping. The common mistake is trying to force a scoop straight from a deep freeze, which can crack the top and make the texture seem harder than it is.
Questions I Get Asked About This Recipe
Homemade Marshmallow Ice Cream
Ingredients
Equipment
Method
- Heat heavy cream and whole milk in a saucepan over medium heat until steaming, then whisk the hot dairy into the egg yolks and sugar that you’ve beaten together in a bowl.
- Return the mixture to the saucepan and cook, stirring constantly, until it reaches 175°F (about 2–4 minutes), then remove from heat.
- Whisk in marshmallow creme until completely melted and smooth, with no streaks remaining.
- Stir in vanilla extract and salt until fully combined, then set the custard aside to cool completely.
- Cover and refrigerate the custard for 4 hours, until cold and thickened.
- Churn in an ice cream maker according to the manufacturer’s directions, and in the last 2 minutes fold in the mini marshmallows.
- For toasted marshmallow flavor, briefly torch the mini marshmallows until lightly browned right before folding them in.
- Transfer the churned ice cream to a container and freeze until firm, about several hours, then scoop and serve.