
Looking to delight a crowd of wizards and witches at your next Halloween party These Cauldron Cookie Cups turn simple pantry staples into a whimsical treat that looks like tiny bubbling cauldrons filled with magic potion. Kids love decorating these gooey green cookie cups almost as much as they love eating them and they come together fast thanks to cake mix.
The first time I made these for our neighborhood Halloween bash they disappeared in minutes and even the grownups could not resist asking for the recipe
Ingredients
- Devils Food cake mix: This delivers deep chocolate flavor Look for a good-quality mix with rich cocoa
- Large eggs: Bind the dough and add structure Fresh eggs will give a better rise
- Canola or vegetable oil: Keeps the cookies soft and moist Use a neutral oil for best flavor
- Black food coloring: Makes the cookies extra spooky and cauldron-like Optional but dramatic
- Unsalted butter: For a creamy frosting Start with room temperature butter for easier whipping
- Powdered sugar: Gives the buttercream sweetness and stability Sift it if lumpy
- Vanilla extract: Adds warmth and enhances the green potion flavor Pick pure vanilla for best results
- Salt: Balances sweetness Use fine sea salt for even seasoning
- Milk: Softens and loosens the frosting so it pipes smoothly Add just a bit at a time
- Green food coloring: The secret to vivid bubbling potion Start with a drop and adjust the color until it pops
- Round green sprinkles: Mimic bubbling potion Be generous adding these
- Halloween sprinkles Candy eyeballs Pretzel sticks: For decorating and making each cauldron unique
- Choose vibrant sprinkles and good quality pretzels so the details really stand out
Step-by-Step Instructions
- Prepare Pans and Oven:
- Lightly grease three mini muffin pans to prevent sticking Preheat the oven to 350 degree F so the dough bakes evenly and quickly
- Mix Cookie Dough:
- Combine cake mix eggs oil and black food coloring in a large bowl Stir until a thick dough forms The texture should be soft and pliable for shaping
- Shape and Bake Cookie Cups:
- Scoop about one half tablespoon of dough into each mini muffin cup Gently flatten each portion with your fingers This helps create space for the magical filling Bake for 8 to 10 minutes until just set on the edges but still soft in the center
- Press Indentations:
- While still warm use the back of a tablespoon measuring spoon to press a deep well in each cookie cup Do this right away so the cups hold their potion shape Set aside to cool completely
- Make Buttercream Frosting:
- Beat softened butter in a bowl until creamy Slowly add powdered sugar vanilla and salt Beat until very smooth Add milk one tablespoon at a time to reach a fluffy pipeable consistency Tint with green food coloring starting small until you love the color
- Fill and Decorate:
- Pipe buttercream into each cooled cookie cup Mound it to look like bubbling potion Top with green sprinkles candy eyeballs and festive sprinkles Insert half a pretzel stick as a stirrer for each cauldron
- Serve and Enjoy:
- Transfer finished cups to a platter or mini cupcake liners for easy sharing Dig in for the ultimate Halloween treat

I am obsessed with the green buttercream Every year my nieces argue over whose cauldron has the most bubbles and who put the silliest eyeball arrangement on top It has become our Halloween tradition
Storage Tips
Store decorated cauldron cookie cups in an airtight container at room temperature for up to two days If making ahead you can prepare the cookie cups and frosting separately then assemble on party day For longer storage freeze the undecorated cookie cups for up to three months and thaw before filling
Ingredient Substitutions
- No devils food cake mix Use chocolate fudge or even brownie mix
- Dairy allergy Try using plant based butter for the frosting and check for dairy free cake mixes
- Get creative with decorations Mini M and Ms mini marshmallows or licorice strings all work as potion bubbles or cauldron handles
Serving Suggestions
- Set these up on a Halloween dessert table with gummy worms and spooky cupcakes
- Offer an extra tray of sprinkles and let guests decorate their own
- Add a cauldron cup to spooky snack boxes as a sweet party favor

Cultural and Historical Context
Halloween has roots in ancient Celtic festivals where cauldrons symbolized magic and transformation Turning baking into a hands-on creative session makes these cookie cups a modern way to celebrate that same spirit of fun and imagination
Recipe FAQs
- → How do you shape the cookie cups?
After baking, press an indentation into each warm cookie using the back of a measuring spoon to create a hollow for filling.
- → What gives the filling its green color?
Green food coloring is added to the buttercream to achieve the bubbling potion appearance.
- → Can I use another type of cake mix?
Yes, but Devil's Food cake mix provides a rich chocolate flavor suited for these cups.
- → What role do pretzel sticks play?
Pretzel sticks are inserted into each cup to mimic stir sticks, enhancing the themed presentation.
- → How do you make the buttercream smooth enough to pipe?
Add milk gradually to the creamed butter, powdered sugar, vanilla, and salt until the buttercream reaches a pipeable consistency.