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Traditional vs Keto Marshmallows

Lang's Chocolates offers a sampling of decadent and luxurious hand-crafted chocolate treats.

Posted by William Lang on Aug 19 2025

🍬 Traditional vs Keto Marshmallows: A Sweet Comparison

Marshmallows are one of those nostalgic treats that instantly spark memories—campfire s’mores, mugs of hot cocoa topped with fluffy white pillows, or rice krispie squares at family gatherings. But while they look light and airy, traditional marshmallows are mostly sugar and corn syrup—making them a no-go for anyone living a keto, low-carb, or diabetic-friendly lifestyle.

Thankfully, with just a few smart swaps, you can enjoy marshmallows that are every bit as soft, chewy, and sweet as the classic version—without the sugar crash. Let’s break down the difference between a traditional marshmallow recipe and a keto-friendly version made with Keystone Pantry Allulose.


📊 Nutrition Face-Off: Traditional vs Keto Marshmallows (per piece, ~10g)

Traditional Marshmallow Keto Marshmallow (with Keystone Pantry Allulose)
Calories ~24 ~8
Carbs ~6g (all sugar) ~0.5g net carbs
Protein 0g 1g (from gelatin)
Fat 0g 0g
Sugar ~6g 0g

That’s right—you can cut the carbs and sugar down to almost nothing while still enjoying the same fluffy bite!


🥣 The Traditional Marshmallow

A classic marshmallow uses just a few ingredients, but they all revolve around sugar:

  • Granulated sugar – gives marshmallows their bulk sweetness.

  • Corn syrup – prevents crystallization, ensuring smoothness.

  • Gelatin – creates the structure and bounce.

  • Vanilla extract – provides the signature flavor.

  • Powdered sugar + cornstarch – dusting to keep them from sticking.

The downside: Nearly all the calories come from sugar, spiking blood sugar and leaving you with a crash.


🥥 The Keto Marshmallow (with Allulose)

Here’s the keto-friendly recipe you can make at home—soft, fluffy, and guilt-free.

Ingredients:

  • 1 cup Keystone Pantry Allulose

  • 1/2 cup water, divided

  • 2 tbsp unflavored gelatin

  • 1 tsp vanilla extract

  • Pinch of salt

  • Powdered allulose or coconut flour (for dusting, optional)

Instructions:

  1. In a mixing bowl, sprinkle gelatin over 1/4 cup cold water. Let bloom for 5 minutes.

  2. In a saucepan, combine 1 cup allulose + 1/4 cup water. Heat gently until dissolved and boiling (about 240°F).

  3. Slowly pour the hot syrup into the gelatin mixture while mixing on low speed.

  4. Turn mixer to high and whip 8–10 minutes until thick, glossy, and tripled in volume.

  5. Add vanilla and salt, whip briefly to combine.

  6. Spread into a lined 8×8 pan, smooth the top, and let set 6–8 hours at room temp.

  7. Cut into cubes and dust lightly with powdered allulose or coconut flour.

✔ Fluffy ✔ Sweet ✔ Sugar-Free


❓ Marshmallow FAQ & Troubleshooting

Q: Why are my keto marshmallows sticky?
👉 Allulose loves to absorb moisture. Dust with powdered allulose or coconut flour, and store in an airtight container.

Q: My marshmallows didn’t set. What went wrong?
👉 Double-check your gelatin measurement. Not enough, and they’ll stay gooey. Also ensure your syrup hit ~240°F before whipping.

Q: Can I toast keto marshmallows like the real thing?
👉 Yes! Allulose browns beautifully like sugar—so your marshmallows will toast golden and caramelize without burning too fast.

Q: Can I flavor them?
👉 Definitely—add peppermint extract, almond, lemon, or swirl in unsweetened cocoa powder for a chocolatey version.


🌟 Why Each Ingredient Matters

  • Keystone Pantry Allulose – The key sugar replacement. It behaves like sugar in candy-making, caramelizes well, and provides bulk without raising blood sugar.

  • Gelatin – Builds the airy, bouncy structure that makes marshmallows marshmallows.

  • Water – Hydrates gelatin and forms the syrup.

  • Vanilla Extract – Classic marshmallow flavor.

  • Salt – Balances sweetness and enhances flavor.

  • Dusting (allulose/coconut flour) – Prevents sticking without adding sugar.


✨ Final Thoughts

Traditional marshmallows will always hold a place in dessert history, but thanks to Keystone Pantry Allulose, you don’t have to miss out if you’re living a keto or diabetic lifestyle. These keto marshmallows are just as fluffy, sweet, and toasty as the classic version—without the sugar crash.

Perfect for hot cocoa, s’mores, or even just straight from the pan—your sweet tooth will thank you.

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