Edible Marshmallow Slime Recipe for Kids

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A neat swirl of glossy white marshmallow slime sits beside jumbo marshmallows and rainbow-striped cardstock on a light gray surface.

If you're looking for a fun, squishy, and totally edible slime recipe, you're going to love this one! This Edible Marshmallow Slime is stretchy, squishy, and perfectly safe for little hands (and mouths). It’s a simple project that turns a s'mores staple into a sensory play experience. This slime starts with a bag of marshmallows, so you know it's going to be a good time.

Searching for more sensory fun? Try out this fun glow in the dark play dough recipe.

Jump to Supplies Steps More ideas

What You Need for Edible Marshmallow Slime

  • 10 regular-size marshmallows (5 jumbo) Shop
  • 1 tbsp coconut oil Shop
  • 5 Tbsp Cornstarch Shop
  • Bowls (microwave safe) Shop
  • Spoon
  • Measuring spoons and cups Shop

How to Make Edible Marshmallow Slime

Step 1: Gather your supplies

Gather all the supplies to make marshmallow slime.

Step 2: Add marshmallows and oil

Add marshmallows and oil to a microwave safe bowl.

Step 3: Microwave

Microwave for 20-30 seconds.

Step 4: Stir in cornstarch

Carefully remove the bowl from the microwave and stir. Add 1 tblsp of cornstarch at a time to the mixture until the desired consistency is reached.

All done!

You may have to knead the slime with your hands. Enjoy!

Stretchy edible marshmallow slime held by hand

We'd love to see yours! Snap a photo and share it in the comments.

Tips for the Best Edible Slime Experience

One-time play: Because it's edible (and sticky!) this slime is meant for same-day fun. Snap a few pictures to capture the magic before it’s gone. Work carefully with hot marshmallows: Melted marshmallows can get really hot straight out of the microwave. Make sure an adult is handling the bowls and stirring at first.

Go slow with the corn starch: It’s tempting to add a lot at once, but too much can make your slime stiff instead of stretchy. Add just a little at a time! Knead, knead, knead: If the slime feels sticky, kneading it with your hands will help smooth it out and make it super stretchy.

Reheat if needed: If your marshmallow slime starts to harden during play, pop it back in the microwave for about 10 seconds and it’ll be good as new.

More Slime Recipes

See all Slime Recipes for Kids →

Please Share This Edible Slime How to

Your shares are how this site grows and I am sincerely grateful. Know a friend who’d like this? Please share it on Facebook or save it to your favorite kids’ activity board on Pinterest.

Pinterest-style vertical image showing a swirl of white marshmallow slime with playful text reading "Edible Marshmallow Slime" over it, marshmallows blurred in the background.

As an Amazon Associate I earn from qualifying purchases.

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