After a few years of making Captain Crunch marshmallow treats every back-to-school week, this is the version I keep coming back to. The same butter-and-marshmallow base as classic Rice Krispies treats, just upgraded with a splash of vanilla and a pinch of salt. Captain Crunch’s golden, vanilla-tinged crunch makes the marshmallow base taste richer and almost shortbread-like. No fancy ingredients, no extra steps, 10 minutes of active work.
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These are built off my classic soft and chewy Rice Krispies treats, same butter-and-marshmallow technique, just with Captain Crunch in place of puffed rice.
If you love a good no-bake cereal treat, you’ll also want to try my Cinnamon Toast Crunch Marshmallow Treats and Fruity Pebbles Marshmallow Treats. We rotate through all three in my house, depending on which cereal is open in the pantry.
Why You’ll Love These Captain Crunch Treats
- That corn-syrupy crunch – All the nostalgia of Captain Crunch cereal in a soft, chewy, marshmallow treat. A fun twist on my classic Rice Krispie Treats!
- 5 ingredients, 10 minutes – Including a splash of vanilla and a pinch of salt that most 3-ingredient versions skip. Those two small additions are what make these taste like dessert instead of just cereal and marshmallow.
- No oven, no mixer, no fuss – One pot, one pan, and nothing more complicated than stirring. Perfect for busy afternoons or last-minute party treats.
Ingredients in Captain Crunch Treats
- Captain Crunch cereal. Original is the most classic, but Crunch Berries adds color and a fruitier bite. Both work beautifully. If you are in the mood for a breakfast treat, check out this Captain Crunch French Toast.
- Mini marshmallows. You’ll need one 10-ounce bag plus an extra cup reserved for stirring in at the end. The reserved cup is the key to gooey pockets throughout.
- Unsalted butter. Gives you control over the salt level. Salted butter works if that’s what you have; just skip the added salt.
- Vanilla extract. Adds depth and makes these taste a little more like dessert than breakfast cereal.
- Salt. Balances the sweetness so these don’t taste one-note. Diamond Crystal kosher salt is what I use.
See recipe card below for full ingredient measurements.
Substitutions and Variations for Captain Crunch Treats
- Crunch Berries. Swap the Original cereal 1:1 for a colorful, fruitier version.
- Peanut Butter Captain Crunch. Use the peanut butter variety of the cereal and stir 2 tablespoons of creamy peanut butter into the melted marshmallow mixture for double PB flavor.
- Chocolate drizzle. Once set and cut, drizzle with melted chocolate or a little homemade salted caramel sauce for a fancier finish.
- Seasonal varieties. Captain Crunch releases limited-edition shapes around holidays (Christmas trees, Halloween ghosts, July 4th stars). Sub them in 1:1 for a themed treat tray.
This recipe has not been tested with other substitutions or variations. If you replace or add any ingredients, please let us know how it turned out in the comments below!
How to Make Captain Crunch Treats
In a large pot or Dutch oven over medium-low heat, melt the butter.
Add the 10-ounce bag of mini marshmallows and stir constantly until they’re just melted and smooth. Remove the pot from the heat and stir in the vanilla and salt.
Add the Captain Crunch cereal and gently stir until every piece is evenly coated in the marshmallow mixture.
Fold in the reserved cup of mini marshmallows. You want them to mostly hold their shape. That’s where the gooey pockets come from.
Transfer to the prepared pan and gently press into an even layer using a greased spatula. Light pressure only.
Let it sit at room temperature for about 30 minutes, then lift it out and cut it into squares.
Captain Crunch Treats FAQs
How to Store Captain Crunch Treats
Room Temperature: Store leftover Captain Crunch treats in an airtight container at room temperature for up to 3 days. Place a sheet of parchment between layers if stacking to prevent sticking.
Refrigerator: Not recommended. The cold causes the marshmallows to seize up, and the treats turn hard.
Freezer: Wrap individually in plastic wrap and store in a freezer-safe zip-top bag for up to 6 weeks. Thaw at room temperature for a couple of hours before serving.
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See you next time! ♡ Sarah
If you can’t get enough of these easy treats, you’re going to love my chocolate chip rice krispie treats and Halloween brownies, too!
Recipe
Captain Crunch Marshmallow Treats
Ingredients
- 4 tablespoons unsalted butter
- 10 ounce bag mini marshmallows plus 1 cup mini marshmallows, divided
- 1 teaspoon vanilla extract
- 1/2 teaspoon (2g) Diamond Crystal kosher salt; for table salt, use about half as much by volume or the same weight
- 6 cups Cap'n Crunch cereal
Instructions
- Line a 8×8 or 9×9 with parchment paper. Lightly grease the parchment. I always use a very light mist of nonstick spray. Set aside.
- Melt the butter over medium low heat in a large pot or Dutch oven. Once melted, add the 10-ounce bag of marshmallows. Stir the mixture until the marshmallows are just melted. Stir in the salt and vanilla to combine.4 tablespoons unsalted butter, 10 ounce bag mini marshmallows, 1 teaspoon vanilla extract, 1/2 teaspoon (2g) Diamond Crystal kosher salt; for table salt, use about half as much by volume or the same weight
- Remove the pan from the heat, add the Cap'n Crunch cereal, and mix until it is completely and evenly coated with the marshmallow mixture. Stir in additional one cup of marshmallows.6 cups Cap'n Crunch cereal
- Turn the mixture out into the prepared pan and, using a wooden spoon or spatula that has been coated in non-stick cooking spray, press the mixture into a packed, even layer. Do not pack it down with force. Lightly press down until it is secure in the pan.
- Allow treats to set at room temperature for at least 30 minutes and up to 1 day. Cover tightly if leaving out for more than a few hours.
- Lift the treats as a whole out of the pan using the edges of the parchment paper. Cut into squares.
- Cover and store leftover treats at room temperature for up to 3 days. To store, place in an airtight container, with sheets of parchment or wax paper between layers.
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Notes
- Storing + Shelf Life: These are best eaten the same day you make them. But if you’ve got leftovers, keep them in an airtight container at room temperature, and they should be good for about 3 days. Wrapping them individually in plastic wrap before storing them can help keep them fresh.
- Freezing: Wrap each in plastic wrap, place in a freezer bag, and keep for a few months. Or layer cut pieces, separated with parchment paper. Thaw at room temperature.
