How to Make Edible Cornstarch & Marshmallows Slime: A Sweet Adventure in DIY Fun!

Emily

Created by

Emily

Last updated on 2025-12-03T12:10:51.129Z

Hello, fellow crafters! As I sit down to write this, I can't help but reminisce about the countless hours of fun my family and I have enjoyed creating edible slime together. Today, I'm excited to share my tried-and-true recipe for Cornstarch & Marshmallows Edible Slime. This delightful treat is not only safe to eat, but it also brings a playful, sensory experience that's perfect for kids and adults alike.

What Is Cornstarch & Marshmallows Edible Slime?

So, what exactly is this edible slime? Essentially, it’s a sweet, gooey concoction made primarily from marshmallows and cornstarch. This slime, once prepared, has a stretchy and pliable texture that resembles traditional slime but comes with the bonus of being edible! It’s a fantastic sensory activity for kids that combines crafting with creativity while encouraging imaginative play.

Why Is It Popular?

The reason for its popularity is multifaceted. First, it’s incredibly simple to make with just a few household items. Secondly, it’s a hit at parties, playdates, or rainy days when kids need an entertaining activity. Imagine crafting your own slime, creating different colors, and then tasting your masterpiece! No wonder this trend has taken off in the DIY world!

When Can It Be Used?

This edible slime is perfect for:

  • Birthday parties as a unique party favor.
  • Playdates as an engaging activity.
  • Classroom projects to teach about textures and creativity.
  • Simply enjoying at home for sweet, sensory fun!

Now that I’ve piqued your interest, let’s jump into the process of creating this edible slime masterpiece. I’ll guide you step-by-step, sharing tips, potential pitfalls, and of course, a sprinkle of personal anecdotes along the way.

Materials You'll Need

Before we dive into the cooking process, make sure you have these ingredients handy:

  • 1 cup of mini marshmallows
  • 1 cup of cornstarch
  • 1-2 tablespoons of coconut oil (or any neutral cooking oil)
  • Food coloring (optional)
  • A microwave-safe bowl
  • A mixing spoon
  • A silicone mat or wax paper for kneading

Step-by-Step Tutorial: Making Your Edible Slime

Step 1: Melt the Marshmallows

In a microwave-safe bowl, add 1 cup of mini marshmallows. Microwave them for about 30 seconds. Remove and stir, then heat again for another 30 seconds until they are fully melted. Tip: Keep an eye on them! Marshmallows tend to puff up and can overflow if heated too long.

*What could go wrong?* If your marshmallows don’t melt smoothly, they may need additional heating, but be careful not to overheat as they can become tough. If they do get a bit too solid, simply add a teaspoon of water and re-heat for a few seconds.

Step 2: Add the Coconut Oil

Once your marshmallows are gooey and soft, stir in 1-2 tablespoons of coconut oil. This ingredient not only adds a touch of sweetness but also helps to prevent the slime from sticking to your hands when playing. Tip: If you don’t have coconut oil, vegetable or canola oil works as a great substitute.

Step 3: Incorporate the Cornstarch

Slowly add in 1 cup of cornstarch. I recommend adding it a little at a time to avoid a cornstarch cloud! Mix thoroughly with a spoon initially and, as it thickens, switch to using your hands. *This is where the magic happens*—the mixture will transition from sticky to pliable!

*What could go wrong?* If your slime is too sticky, you need to knead in more cornstarch. Conversely, if it’s too dry or crumbly, try adding a few drops of water or more melted marshmallow.

Step 4: Knead and Shape

Once your mixture reaches a dough-like consistency, transfer it onto a silicone mat or a piece of wax paper. Knead the slime for a few minutes until it becomes smooth and elastic. You might find that this step is a bit messy, but it’s all part of the fun! *I fondly remember my son giggling as he got marshmallow goo all over his hands!*

Step 5: Color Your Slime (Optional)

If you want to add color, divide the slime into portions and add a few drops of food coloring to each. Knead it until the color is fully incorporated. *Pro tip:* Wearing gloves can make this step a bit cleaner!

Tips and Variations

  • Storage: Keep your edible slime in an airtight container at room temperature. It can last up to a week, though it’s usually gone in a day at our house!
  • Flavoring: Try adding extracts like vanilla or almond for an extra dimension of flavor.
  • Additions: For added fun, mix in small edible sprinkles or flavored powdered drinks for color and taste.

Safety Warnings

While this recipe is safe to eat, I always recommend supervising young children during preparation to avoid accidents, especially with the microwave. Additionally, if anyone has allergies to marshmallows or coconut, be sure to substitute with safe options.

My Personal Anecdotes

Incorporating edible slime into our family activities has not only sparked creativity but has also led to moments filled with laughter and joy. I vividly remember the day I turned our kitchen into a slime laboratory, with my kids proudly showcasing their colorful creations to their friends.

Conclusion

And there you have it—a step-by-step guide to making delicious Cornstarch & Marshmallows Edible Slime! Now you’re well-equipped to create this fun treat that promises not only sensory play but also unforgettable memory-making experiences. As you embark on this crafting journey, remember: it’s about enjoying the process, so bring your creativity and have fun with it! Happy crafting, and may your slime adventures be sweet and sticky!