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Sugar-Free Marshmallows Recipe

Sugar-Free Keto Marshmallows

  • Author: Leigh Oskwarek
  • Total Time: 30 minutes + refrigerate overnight
  • Yield: 50 1-inch Marshmallows 1x


If you are like me you will be happily surprised to find out that Keto Marshmallows exist! You will be so happy to see how easy it is to make them. It only takes a few ingredients, along with a few minutes of your time and you end up with every kids’ dream…marshmallows! And they are every mothers’ dream too…sugar-free!

These keto marshmallows are sweet and sticky just like the real thing and can be eaten on their own or in your favorite smores and hot chocolate.


  • 1 cup of water, divided into 2 equal portions.
  • 2 Tbsp unflavored, powdered gelatin
  • 1 tsp vanilla
  • 1 ½ cups allulose 
  • ¼ tsp salt



Zero NET Carbs

When using a bowl and hand mixer to blend your ingredients, use a deep bowl because the little white specks of the marshmallow will splash all over your backsplash, counters, and anything around it.

We used a kitchen lighter, to toast up the keto marshmallows, to keep them from melting so easily.

I tried to soften the marshmallow in the microwave for 10 seconds and it was a disaster. It melted and practically disappeared, so DON’T DO IT.

Reheating: This is not a step that you should take with your keto marshmallows because they are delicate while heating and you will end up with a puddle of melted marshmallows.

Storing: These sugar-free marshmallows are easy to store. They can be stored on the counter for 5-7 days as long as you cover them with plastic wrap or in an airtight container. After that, they should be stored in the refrigerator for up to a month.

Freezing: The same is true when freezing the low-carb marshmallows, properly wrapped to avoid freezer burn. They can last up to 3 months. Another way to freeze your marshmallows is in ice cube trays which will give you individual treats when you feel like taking out just 1 or 2 at a time. Just be sure to wrap them.

  • Prep Time: 15 minutes
  • Cook Time: 15 minutes
  • Category: Desserts
  • Method: Stovetop
  • Cuisine: American

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