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Home » Recipes » Holiday Recipes » Spooky Slime Cookies (with VIDEO)

September 8, 2017 · Updated June 19, 2020 · 8 Comments

Spooky Slime Cookies (with VIDEO)

Desserts· Holiday Fun for Families· Holiday Recipes· Kids Recipes· Recipes· Slime Recipes

Jump to Recipe Jump to Video Print Recipe

Inside: Bright green slime cookies that are perfect for Halloween or anytime for your favorite slime fanatics!

A slime recipe you’re supposed to eat!

A slime recipe you're supposed to eat! These bright green monster slime cookies are a spooky Halloween party snack or anytime treat for slime fans.

Spooky Green Slime Cookies

We love slime!! While we make lots of taste-safe slime recipes to play with, you definitely wouldn’t want to eat the whole batch.

That’s why I’m super excited about these bright green slime cookies!

Because you CAN eat them (and they taste delicious!)

These spooky slime cookies are the perfect Halloween party snack for kids OR anytime treat for your little slime fans.

Our bright green Slime Meringues would even be perfect for a slime-themed birthday party with slime gift baskets and slime making activities and decorations!

A slime recipe you're supposed to eat! These bright green monster slime cookies are a spooky Halloween party snack or anytime treat for slime fans.

I’ve included affiliate links for your convenience in re-creating this recipe; disclosure policy here.

Monster Slime Cookies Ingredients

  • 4 egg whites
  • 1/2 teaspoon cream of tartar
  • 1/2 cup granulated sugar
  • 3/4 cup powder sugar
  • 1 teaspoon vanilla
  • leaf green food coloring
  • small edible eyes

(makes about 2 dozen cookies)

Kitchen supplies used to make Slime Meringues

  • frosting decorating bag with medium round tip
  • cookie sheet
  • parchment paper or non-stick silicon baking mat

How to Make Halloween Slime Cookies

Keep reading for photo step-by-step instructions and prep tips!

Recipe demo video and free printable copy of our Slime Cookies recipe is available at the bottom of the post.

Preheat oven to 225°F.

Meanwhile, in a standing mixer, combine the egg whites and cream of tartar. Mix until frothy.

Continue to mix on medium-low speed, adding sugar slowly, alternating between the two types of sugar, 1 Tablespoon at a time. Your final Tablespoon should end up being powdered sugar.

Continue to mix until stiff peaks form.

A slime recipe you're supposed to eat! These bright green monster slime cookies are a spooky Halloween party snack or anytime treat for slime fans.

Add food coloring slowly, 1-2 drops at a time, until you achieve your desired shade. It’s easy to add more food coloring, but impossible to make them lighter if you add to much at once!

TIP: We used a piping bag to make our slime meringues, but in a pinch you could use a ziplock bag with the corner cut off.

A slime recipe you're supposed to eat! These bright green monster slime cookies are a spooky Halloween party snack or anytime treat for slime fans.

Note: Don’t forget to save leftover meringue to use later to “glue” your edible eyes to the cookies!

Wait until slime cookies are cool before attaching edible eyeballs with the meringue you kept aside.

Grab a printable copy of this recipe below!

Love slime as much as we do??

Be sure to check out all of our master list of edible slime recipes here!*

A huge collection of edible slime recipes for kids -- made with safe, non-toxic ingredients found at home. How to make slime WITHOUT borax, starch or glue.

*Taste-safe sensory play activities not meant for consumption.

Grab a free printable copy of this Spooky Slime Cookies recipe here:

If you love this slime cookies recipe, rate it!

Print Recipe
5 from 3 votes

Spooky Slime Cookies (with VIDEO)

These spooky slime cookies are the perfect for slime themed birthday parties or Halloween! Click for video tutorial!
Prep Time10 mins
Cook Time1 hr 25 mins
Total Time1 hr 35 mins
Course: Dessert, Snack
Cuisine: American
Keyword: cookies, gluten free, Halloween, slime
Servings: 24
Calories: 33kcal
Author: Stacey aka the Soccer Mom

Ingredients

  • 4 egg whites
  • 1/2 teaspoon cream of tartar
  • 1/2 cup granulated sugar
  • 3/4 cup powder sugar
  • 1 teaspoon vanilla
  • leaf green food coloring
  • small edible eyes

Instructions

  • Preheat oven to 225°F.
  • Meanwhile, in a standing mixer, combine the egg whites and cream of tartar. Mix until frothy.
  • Continue to mix on medium-low speed, adding sugar slowly, alternating between the two types of sugar, 1 Tablespoon at a time. Your final Tablespoon should end up being powdered sugar.
  • Continue to mix until stiff peaks form.
  • Add leaf green gel food color, 1-2 drops at a time, until you achieve your desired shade.
  • Scoop meringue into the piping bag and pipe dollops of the meringue on top of each other.
  • Keep leftover meringue to use later to "glue" your edible eyes to the cookies.
  • Bake for 1 hour and 25 minutes at 225°F.
  • Once your slime monsters are done baking, remove from oven and allow to cool enough to handle. Use the remaining meringue you set aside earlier to attach edible eyes to the slime cookies.

Video

Notes

*Nutritional information does not contain edible eyeballs!
Note: Nutrition information is a rough estimate only; actual values will vary based on the exact ingredients used and amount of recipe prepared.

Nutrition

Calories: 33kcal | Carbohydrates: 8g | Sodium: 8mg | Potassium: 18mg | Sugar: 7g

Tip: if you don’t have green food coloring on hand, try making these ghost meringues from our friends at Sugar Spice & Glitter!

Be sure to pin our Slime Cookies on Pinterest:

SLIME Cookies are perfect for slime themed birthday parties or Halloween! Spooky fun!!

More of our favorite Halloween recipes for kids:

Easy Halloween kids dessert recipe - Peanut Butter & Candy Corn Marshmallow Treat Bars

Peanut Butter & Candy Corn Marshmallow Bars

These Creamsicle-flavored Orange Halloween Cupcakes are the perfect pumpkin alternative! A tantalizing combination of smooth vanilla and juicy orange fruit.

Creamsicle Mini Orange Halloween Cupcakes

These easy chocolate spiderweb Halloween cupcake toppers will help you create a wow-worthy holiday dessert in record time!

Chocolate Spiderweb Halloween Cupcake Toppers

 

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Stacey aka the Soccer Mom
Stacey aka the Soccer Mom
Stacey is the creator of The Soccer Mom Blog, a Houston Texas mom blog that focuses on positive living for women and families. She loves to share real food recipes, money-saving tips, parenting encouragement, kids activities, DIY tutorials, home hacks, fitness, and so much more! To get to know Stacey even better, click here.
Stacey aka the Soccer Mom
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Comments

  1. Jessica says

    June 11, 2018 at 10:09 am

    Just curious do these need to be stored in the refrigerator? And how long do they keep? A couple of days? Thank you for the recipe, they are super cute.

    Reply
    • Stacey aka the Soccer Mom says

      June 11, 2018 at 11:34 am

      Hi Jessica – they should be fine for about a week or so if keep in an airtight container. If you live in a humid area, you might want to try to use them sooner. Hope this helps!

      Reply
  2. Rachael says

    September 17, 2018 at 7:58 am

    When does the 1 teaspoon vanilla get added?

    Reply
    • Stacey aka the Soccer Mom says

      September 19, 2018 at 2:54 pm

      Hi Rachel – You can add the vanilla after you mix the egg whites and cream of tartar. The recipe will taste just fine without it, but I think the vanilla adds a little more depth of flavor. I’ll update the recipe to make it clearer – thanks!

      Reply
  3. Meghan says

    October 19, 2018 at 10:10 am

    I have two questions:

    1) How long does the recipe bake? Inside the instructions it says it bakes for 1 hour and 25 minutes, but at the top of the instructions it says it only bakes 15 minutes.

    2) When is the right time to put on the eyes? Your instructions say after they’re done baking, but your video shows before they’re done baking.

    Thank you for your help!

    Reply
    • Stacey aka the Soccer Mom says

      October 19, 2018 at 2:38 pm

      Hi Megan – you can add the eyeballs either before or after baking. The correct baking time is 1 hour and 25 minutes. I must have left off the “1” when I typed up the recipe card, but I fixed it. Thanks for letting me know!

      Reply
  4. Jessica says

    October 30, 2018 at 6:07 pm

    For some reason my stiff peaks aren’t forming?! I followed everything exactly. Does it take awhile?

    Reply
    • Stacey aka the Soccer Mom says

      November 5, 2018 at 12:36 pm

      Hi Jessica – they won’t be completely “stiff” to the touch, but should hold their shape at least enough to form your cookies on a sheet. Without seeing exactly what you did it’s hard for me to troubleshoot from afar, but I’m happy to try!

      Reply

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