How to Make Edible Marshmallow Slime

Oliver will be the first to tell you how much he LOVES messy activities. Aiden on the other hand, likes mess as much as his brother but he prefers messes that don’t involve anything sticky. Interestingly though, he will eat Jell-o with his bare hands. Safe to say, in the texture department, Aiden continues to hesitantly explore while Oliver is definitely all in!

It is common for children in the Autism Spectrum to have hypersensitivity to textures. And this can very well differ from one child to another. Aiden’s hypersensitivity is primarily manifested through his food choices and aversion to certain types of stitches in clothing, among others.

I think having one child in the Autism spectrum and the other who isn’t in the spectrum makes it interesting and has really pushed us to be creative. Our ultimate goal is inclusive play. We are very intentional in finding activities that encourage both children in developing their respective skills. Mind you, it doesn’t always go as planned. And in our household, it is okay! The most important thing is that you gave it a try.

Over the weekend, we took a chance at making marshmallow slime for the first time. Oliver likes to eat marshmallow and he likes to play with slime. And the last time we made slime, Aiden had so much fun. So… this was almost a no-brainer!

You can find many recipes and tutorials online. We ended up substituting some of the ingredients with stuff we had at home because we didn’t want to spend more than we should.


  • Mini white marshmallows
  • Vegetable oil (preferably, coconut oil)
  • Corn starch (preferably sugar powder)
  • Food coloring (if you don’t want food coloring, you can just get the colored marshmallows


  • Mixing Bowl
  • Microwave-safe bowls (we used measuring cups with handles, it’s safer for kids)
  • Spatula
  • Cups & spoons
  • Microwave


  1. Grab your desired amount of marshmallows and put it in the microwave-safe bowl.
  2. Heat for 30 seconds.
  3. Let it rest for 10 seconds.
  4. Mix well.
  5. Add between 1/2 – 1 tbsp. of oil
  6. Mix well.
  7. Add about 1 tbsp. of corn starch (preferably in increments) in between mixing.
  8. Add food coloring (we added 2 drops)
  9. Mix well.
  10. Time to play with it in a large bowl (or flat surface).
  11. Add oil and corn starch as needed to get your desired slime consistency.

Oliver enjoyed this so much. It was extra fun because it was edible slime! Aiden didn’t seem to like the texture at all. His facial expression was that of what we would call, disgusted. But, he was such a trooper. He grabbed and touched it. He even obliged when his brother asked him to touch his hand filled with slime. And if only for this, our edible marshmallow slime activity was most certainly a success!

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