Marshmallow Popcorn Balls
These marshmallow popcorn balls come together in about 25 minutes with popped popcorn, melted marshmallows, and butter for soft, chewy treats that hold their shape for parties and Halloween celebrations.
Prep
9 min
Cook
11 min
Total
25 min
Servings
12 popcorn balls
Ingredients
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Optional — the recipe works without them.
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Instructions
- 1
Heat a large heavy-bottomed pot over medium heat and add 1 tablespoon of the butter and the popcorn kernels. Cover and shake the pot occasionally as the kernels pop, about 5–7 minutes. Remove from the heat when popping slows to 2–3 seconds between pops, then transfer the popcorn to a large heatproof bowl and discard any unpopped kernels. It's ready when the popping slows to a few seconds between pops and most kernels have expanded.
- 2
Melt the remaining 3 tablespoons of butter in a large saucepan over low heat. Add the mini marshmallows and salt, stirring constantly for 3–4 minutes until smooth. Remove from the heat and stir in the vanilla extract. It's ready when the marshmallows have melted into a glossy, smooth mixture with no large lumps.
- 3
Pour the warm marshmallow mixture over the popcorn. Use a rubber spatula to fold gently until the popcorn is evenly coated, working carefully so the popcorn stays in large pieces rather than becoming crushed (about 3 minutes). It's ready when most popcorn pieces have a thin, sticky coating and no large pool of marshmallow remains at the bottom.
- 4
Let the mixture cool for 2–3 minutes, just until comfortable enough to handle while still warm and pliable. Lightly grease your hands with a little extra butter, divide the mixture into 12 portions, and gently press each portion into a ball about 2 1/2 inches wide. Add sprinkles while the surfaces are still sticky, if desired. It's ready when each ball holds together without being squeezed so tightly that the popcorn collapses.
- 5
Place the popcorn balls on a parchment-lined baking sheet and leave them at room temperature for about 5 minutes to set before serving or wrapping individually. It's ready when the balls hold their shape when lifted but remain soft and chewy.
Used in this recipe: Silicone Spatula Half Sheet Pan (Amazon, affiliate links)
Notes
Tips for Success
- Melt the marshmallows slowly over low heat and shape the mixture while it is still warm. Overheating the marshmallows can make the coating stiff and the finished popcorn balls hard instead of soft and chewy.
- Keep the marshmallows over low heat and remove the pan as soon as they melt smoothly. Shape the mixture while it is warm, using lightly buttered hands and gentle pressure. If it stiffens before shaping, briefly warm it in a saucepan over low heat, stirring gently until pliable again.
Common Mistakes to Avoid
- The popcorn balls turn out hard, overly dense, or difficult to shape because the marshmallow mixture was overheated or allowed to cool too much before shaping.
Nutrition (per serving)
150 kcal
Calories
1g
Protein
25g
Carbs
4g
Fat
1g
Fiber
70mg
Sodium
These marshmallow popcorn balls come together in about 25 minutes with freshly popped corn, melted marshmallows, and butter. The secret to soft, chewy popcorn balls is keeping the marshmallow mixture over low heat and shaping the mixture while it’s still warm. Each ball holds together without becoming hard, making this popcorn balls recipe a fun choice for Halloween parties, fall gatherings, or homemade treats.
Ingredients
- Popcorn kernels: Use 1/2 cup of unpopped kernels for fresh, fluffy popcorn.
- Unsalted butter: 4 tablespoons, divided, plus a little extra for greasing your hands.
- Mini marshmallows: 10 oz for a soft, sticky coating that binds the popcorn.
- Vanilla extract: 1 teaspoon for a warm, sweet flavor.
- Fine salt: 1/4 teaspoon to balance the sweetness.
- Sprinkles: 1/4 cup, optional. Choose festive colors or shapes for Halloween popcorn balls.
How To Make It

- Pop the kernels. Heat a large heavy-bottomed pot over medium heat. Add 1 tablespoon of butter and the popcorn kernels, cover, and shake the pot occasionally as the kernels pop, about 5–7 minutes. Remove the pot from the heat when the popping slows to 2–3 seconds between pops. Transfer the popcorn to a large heatproof bowl and discard any unpopped kernels.
- Melt the marshmallows gently. Melt the remaining 3 tablespoons of butter in a large saucepan over low heat. Add the mini marshmallows and salt, stirring constantly for 3–4 minutes until the mixture is glossy and smooth, with no large lumps. Remove from the heat and stir in the vanilla extract.
- Coat the popcorn. Pour the warm marshmallow mixture over the popcorn. Use a rubber spatula to fold gently until most pieces have a thin, sticky coating and no large pool of marshmallow remains at the bottom of the bowl. Avoid crushing the popcorn.
- Shape the balls while warm. Let the mixture cool for 2–3 minutes, just until comfortable to handle but still pliable. Lightly grease your hands with a little extra butter, divide the mixture into 12 portions, and gently press each portion into a ball about 2 1/2 inches wide. Add sprinkles while the surface is still sticky, if desired. Press just firmly enough for each ball to hold together without crushing the popcorn.
- Let them set. Place the popcorn balls on a parchment-lined baking sheet and leave them at room temperature for about 5 minutes. They are ready when you can lift each ball without it falling apart, while the inside remains soft and chewy.

Why Low Heat Makes Softer Popcorn Balls
Marshmallows provide the sticky coating that holds popcorn together, but too much heat can make that coating stiff as it cools. Once the marshmallows melt into a smooth mixture, there is no need to keep heating them. The mixture should be warm enough to bend and stick together when shaped, rather than cool and firm. Gentle pressure also matters: compacting the popcorn too tightly creates dense balls with less of their light, airy texture.
How to Fix Hard or Crumbly Popcorn Balls
If your popcorn balls turn out hard, overly dense, or difficult to shape, the marshmallow mixture may have overheated or cooled too much before you formed the balls.
- The mixture becomes stiff in the bowl: Briefly warm it in a saucepan over low heat, stirring gently until it becomes pliable again.
- The balls feel too dense: Use lighter pressure when shaping. Press just enough for the popcorn to hold together instead of squeezing out the air between pieces.
- The mixture sticks to your hands: Lightly grease your hands with a little extra butter before shaping. This makes the sticky mixture easier to handle without crushing the popcorn.
Easy Substitutions
These are untested alternatives, so expect some differences in texture or flavor.
- Regular marshmallows instead of mini marshmallows: Use about 10 ounces by weight and cut them into smaller pieces if needed. They may take slightly longer to melt.
- Salted butter instead of unsalted butter: The finished popcorn balls will taste saltier, so reduce or omit the added fine salt.
- Plain popped popcorn instead of kernels: Use 12 cups of plain popped popcorn to save popping time. Choose fresh, dry popcorn without oil-heavy toppings or added seasonings.
Make-Ahead and Storage Tips
These popcorn balls can be made up to 1 day ahead. Once completely cool, wrap each ball individually in plastic wrap and keep them in an airtight container at room temperature until serving. For Halloween parties, add the sprinkles during shaping so they stick to the marshmallow coating. For leftovers, store completely cooled popcorn balls in an airtight container at room temperature for up to 3 days. Individual plastic wrap helps reduce sticking and retain softness. Avoid refrigeration, which can make the marshmallow coating firm and chewy.
Serving Ideas
Serve marshmallow popcorn balls with other seasonal treats. Try pairing them with:
- Halloween candy and caramel apples for a festive fall table.
- Warm apple cider for a cozy autumn snack.
- Hot chocolate for a sweet treat on a chilly evening.
- Chocolate-covered pretzels on a fall dessert platter. These Halloween chocolate-dipped pretzels are a natural pairing when you want another decorated treat for the same spread.






