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Friends Art Lab / Blog / Chocolate Oobleck Mud – Taste-Safe Sensory Play

Chocolate Oobleck Mud – Taste-Safe Sensory Play

Author: Kristian Klebofski    Published: 11/03/2022     Updated: 02/14/2025

Chocolate oobleck is a fun, taste-safe sensory play activity that lets kids explore science with a delicious-smelling twist! Perfect for hands-on learning and messy fun.

A few animal figurines (elephant, lion, and rhino) sit in the middle of this taste safe sensory chocolate oobleck play mud recipe.
Table of Contents:
  1. Taste-safe chocoate oobleck mud is AMAZING
  2. Why we love chocolate oobleck mud
  3. Materials
  4. How to make taste-safe chocolate oobleck mud
  5. Whoa, chocolate oobleck DOES look like mud!
  6. Sensory play and fine motor play go hand-in-hand
  7. So…how do I clean chocolate oobleck up?
  8. Taste-safe chocolate oobleck mud sensory play mud for the win!
  9. Frequently Asked Questions

Taste-safe chocoate oobleck mud is AMAZING

In the back of my pantry, I had a little, neglected box of powdered cocoa that I was saving to use for homemade brownies.

The problem? I don’t ever make homemade brownies.

That poor box of cocoa, destined to collect dust for the rest of its life, never fulfilling its destiny, until…I needed it for mud.

Mud?! I’ll explain:

While setting up a farm sensory table, it dawned on me that adding mud would make this activity feel a million times more realistic. But, of course, the problem was I didn’t have any mud. But then it hit me: the cocoa. The cocoa waited so patiently in the cabinet and now was its moment of glory.

🤎 Related: We love this magical mud and have so many fun ways to use oobleck!

The inside of a box of cocoa powder to make chocolate oobleck.

Why we love chocolate oobleck mud

If you’ve made oobleck before, you know it’s 10/10 cool. Maybe even 12/10 cool.

If you’re an oobleck-newbie, you are in for a treat.

Oobleck is cornstarch mixed with water, and it’s fantastic. It’s neither a liquid nor a solid, so you can let it ooze through your fingers or you can mold it into a ball if you move your hands quickly enough!

It’s second to none because there’s nothing else quite like it!

🤎 Other fun oobleck activities to try:

  • Easter Oobleck
  • Frozen Oobleck
  • Lemon Oobleck
  • Gingerbread Oobleck
The materials for chocolate oobleck set out ready for this taste safe sensory play activity: cornstarch, water, a container of cocoa powder, and a shallow clear container. All materials sit on a bright blue plastic tablecloth.

Materials

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  • 1 cup of water
  • 2 cups of cornstarch
  • ½ cup cocoa powder
  • Shallow container – these colorful plastic trays are a 10/10
  • Water

🤎 And while it’s not required at all, this heavy-duty floor mat makes clean up super easy, indoors and outdoors! We love, love, love this mat.

A young girl pours a container of cornstarch into a shallow container for playing.

How to make taste-safe chocolate oobleck mud

Using your hands or a spoon, mix, mix, and mix until your ingredients are fully incorporated. If it feels a little too dry, add more water. If it feels too wet, add a bit more cornstarch.

A confession: Because I have made this so much (approximately 90 million times), I dump the ingredients into a bowl without measuring precisely and adjust if needed. I’m a “let’s-just-mix-and-see-what-happens” and not a “let’s-follow-the-measurements-with-care-and-precision” kind of person (which now makes sense as to why I haven’t made the brownies).

I measure with my heart.

💡 Teacher Tip: if you pour your chocolate oobleck mud into low shallow containers, it makes it much more accessible, which in turn leads to extended playtime.

A young girl sticks her hand in the chocolate oobleck fake mud recipe.

Whoa, chocolate oobleck DOES look like mud!

How cool is that? Because we added cocoa powder, it looks like wet, brown, sticky mud and it will delight your littles.

Plus, if you have really young learners, it’s taste-safe unlike real mud. However…it’s disgusting. If you have a little one who decides to sneak a taste, their first taste will probably be their last.

Adding toys, props, and materials to extend the play is a fun way to make this feel especially real. Our very favorite toys to add are plastic animals.

A close up of the toy elephant covered in the fake mud.

Sensory play and fine motor play go hand-in-hand

When kids are engaged in this type of activity, they’re practicing many fine motor skills:

  • Pouring
  • Mixing
  • Squishing
  • Stirring
  • Grasping
  • Poking
  • Holding
  • Scooping
  • Pressing

All of these skills come naturally with this activity with no additional materials!

Fine motor skills are essential for daily life and independence, and they also help our little learners to become strong writers down the road (two birds, one stone).

Add in tongs for children to use to grab, lift, and move their play items for extra fine motor goodness.

A shallow container with dried, cracked chocolate oobleck.

So…how do I clean chocolate oobleck up?

We have two methods for you, the easy way and the easier way:

  • Easy Clean-Up Method: Scoop the wet oobleck into a garbage can, and once it’s as clean/scraped out as possible, rinse the container with your hose or in the kitchen sink.
  • Easier Clean-Up Method: Wait for it to dry. Leave the containers outside or on a counter for a day or so, and when you see the mud crack (photo above), pour it all into the garbage. At this point, it’s essentially back to powder so clean-up takes seconds (and it’s virtually mess-free).
A young girl smiles as she holds a lion toy in a pair of tongs above the containers of this taste safe sensory play mud.

Taste-safe chocolate oobleck mud sensory play mud for the win!

We love a sensory activity that is

  • Easy to make ✅
  • Easy to clean ✅
  • Engaging ✅
  • Inexpensive ✅

If you try this out, please let us know what you think! It’s one of our favorites, and we hope it becomes one of yours, too.

Small, colorful, plastic bear counters, a pair of tongs, and a green strawberry basket sit in the fake mud.

Frequently Asked Questions

What age is this activity recommended for?

While water, cornstarch, and cocoa powder are indeed edible foods, eating large quantities of this can upset your stomach and make you sick. It is taste-safe, but be aware of the age of the child you’re working with to make sure it doesn’t go past a taste.

Can I skip the cocoa powder?

Absolutely! If you don’t have cocoa powder and still want to make it brown like mud, you can add in a few drops of paint, food coloring or liquid watercolors. Of course, if you add in any types of paints or watercolors, it is no longer taste safe.

Can oobleck freeze?

Yes! When you’re done playing, spread your “mud” into an ice cube container, freeze overnight, and play with your cubes the next day. Check out this fun frozen oobleck activity!

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Kristian

Hi, I’m Kristian!

I have spent over 15 years in the preschool classroom, I have a Master's degree in Early Childhood Education, and I was a college professor of education for eight years. My passion is sharing creative learning activities for children and I'm so happy you're here.

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