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Cookie Monster Cookies

Get ready for a cookie frenzy! These fun Cookie Monster Cookies are loaded with two different kinds of cookies wrapped up in a soft and chewy, delightfully blue cookie base.

These easy cookie monster cookies are some of our all-time favorite additions to the family cookie jar. With a vibrant blue color that comes from butterfly pea powder (aka blue matcha), these beauties are a cookie lover’s fantasy. Each cookie is exploding with chunks of chocolate chip cookies, Oreos AND chocolate chips. Every time my kiddo takes these to school their classmates beg them for a bite, so now I always send extra cookies to share. They’re a huge hit!

These Cookie Monster cookies are fun, chewy, and delicious – and that’s good enough for me. If you want even more Cookie Monster inspired treats, check out this Cookie Monster ice cream recipe.

Two cookie monster cookies stacked, one broken in half

Why Are These Called Cookie Monster Cookies?

You may have guessed from the name, but Cookie Monster cookies are an ode to the classic bright blue monster of Sesame Street fame. These fun chocolate chip cookies are dyed blue to match our furry friend, and loaded with more cookies than even the Cookie Monster himself could handle!

Of course, these bright blue Cookie Monster cookies shouldn’t be confused with monster cookies. That’s a whole different kind of cookie, often made with peanut butter, oats, chocolate chips, and M&M’s.

Where Does the Blue Color Come From?

My Cookie Monster cookies get their classic blue hue from blue matcha powder. Also known as butterfly pea powder, it’s a fun way to add blue coloring to your food. You can also find it in my Baby Yoda sugar cookies. I even have a Naked Blue Velvet Cake recipe made with blue matcha.

Ingredients for cookie monster cookies in small white bowls

Recipe Ingredients

Below is a summary of what you’ll need to make these blue Cookie Monster cookies. Be sure to refer to the recipe card for the full details and amounts:

  • Oreo cookies – Use branded Oreos or a generic chocolate sandwich cookie in this recipe. 
  • Chocolate chip cookies – Store-bought chocolate chip cookies tend to stay crispier when baked into these cookies, compared to homemade. However, feel free to use your favorite recipe for homemade chocolate chip cookies if you’d like.
  • Butter – Salted or unsalted. If you use salted butter, you might want to adjust the salt that comes later in the recipe. Don’t forget to take your butter out of the fridge before you begin, to let it reach room temperature.
  • Brown sugar – Brown sugar gives these cookies richness and flavor, along with just the right amount of moisture.
  • Egg – Like the butter, your egg should also be at room temperature so it will combine and bake up evenly.
  • Vanilla extract – Definitely stick with pure, natural vanilla extract (vs. imitation vanilla) for the best flavor when baking cookies.
  • All-purpose flour
  • Salt
  • Baking soda and baking powder – These soft cookies use a combination of both baking powder and baking soda for leavening.
  • Blue matcha powder – Also known as butterfly pea powder, this is what gives these cookies their classic blue color. Alternatively, you can use a teaspoon of blue food dye instead.
  • Semi-sweet chocolate chips – Or dark chocolate chips.
Cooking monster cookies on a cooling rack

How to Make Cookie Monster Cookies

While the oven preheats, line two baking sheets with parchment paper. Next, break up the chocolate chip cookies and Oreos into a bowl, and set these aside with the baking sheets for now. With everything prepped and ready, let’s make some Cookie Monster-worthy cookies:

  • Mix the wet ingredients. Cream together the butter and sugar until fluffy, then beat in the egg and vanilla.
  • Add the dry ingredients. Fold in the flour, salt, and leavening, as well as the blue matcha powder, mixing just until a thick dough forms.
  • Add in the chocolate chips and cookies. Stir in the chocolate chips, along with the crushed cookies. Be careful to not overmix the dough.
  • Portion and bake. Using a scoop or your hands, portion the dough into even-sized balls and onto the prepared baking sheets. Remember to space the cookies a few inches apart to account for spreading. Bake your Cookie Monster Cookies at 350ºF for 11-13 minutes, until the edges are set and the middles are still soft to the touch.
  • Cool. Give the cookies some time to cool and set them on the baking trays, then move them to a wire rack to cool completely.
Blue cookie monster cookies cooling on a wire rack

Tips for the Best Cookie Monster Cookies

Here are some tips to keep in mind when making a batch of these Cookie Monster cookies:

  • Be careful to not crush the chocolate chip cookies too finely. The fine golden crumbs will meld with the blue matcha powder and you’ll wind up with green cookies!
  • Don’t overmix the dough. Overmixing the dough ingredients can result in dense, tough cookies. Be sure to only mix until just combined, and gently fold in the add-ins.
  • Let the cookies cool for 5 minutes on the baking sheet. Moving the cookies too early, while they’re warm from the oven, can cause them to crumble and fall apart.

Mix-In Ideas

You can customize your Cookie Monster cookies any way you’d like. Use different kinds of cookies like oatmeal or peanut butter cookies, or homemade Lotus Biscoff cookies. You can also swap in white chocolate chips instead of semi-sweet, and more easy add-ins:

  • Crushed nuts – Pecans, almonds, hazelnuts, peanuts.
  • Dried fruit – Craisins, raisins, or currants
  • Toffee bits
  • Peanut butter chips
  • Dark chocolate chunks
  • Candy – M&Ms, chopped candy bars
A stack of three cookie monster cookies, one broken in half

How to Store

Store your Cookie Monster cookies airtight on the counter for up to a week. 

Can I Freeze Them?

Yes! Cookie Monster cookies can be easily frozen for longer-term storage. I recommend pre-freezing the cookies in a single layer on a parchment-lined baking sheet, before transferring them to a container or freezer bag to store. Thaw the cookies at room temperature whenever it’s time to nom.

Print

Cookie Monster Cookies

Two cookie monster cookies stacked, one broken in half
Save Recipe

These fun Cookie Monster cookies are loaded with two different kinds of cookies wrapped up in a soft and chewy, delightfully blue chocolate chip cookie base. 

  • Author: Rustic Family Recipes
  • Prep Time: 20 minutes
  • Cook Time: 13 minutes
  • Total Time: 33 minutes
  • Yield: 14 cookies
  • Category: Cookies
  • Method: Oven
  • Cuisine: American

Ingredients

  • 8 Oreo cookies
  • 4 chocolate chip cookies
  • ½ cup butter, at room temperature
  • ¾ cup brown sugar
  • 1 large egg, at room temperature
  • 2 tsp vanilla extract
  • 1 ½ cup all-purpose flour
  • ¼ tsp salt
  • 1 tsp baking soda
  • ½ tsp baking powder
  • 2 tbsp blue matcha powder (butterfly pea powder) 
  • 45 drops blue food dye, for extra color
  • ½ cup semi-sweet chocolate chips

Instructions

Prep your tools. Preheat the oven to 350°F. Line two oven-size baking trays with parchment paper and set aside.

Prepare the cookies. Break the Oreo cookies and chocolate chip cookies into smaller pieces and set aside.

Beat the butter and sugar. Add butter and sugar to a medium mixing bowl. Cream using an electric hand mixer or a stand mixer fitted with paddle attachment. Mix until smooth and fluffy (approx. 3-5 minutes).

Add egg and vanilla extract. Mix for a few seconds until smooth.

Add the dry ingredients. Add flour, salt, baking soda, baking powder and blue matcha powder. Fold everything with a spatula. At this point, the consistency of the dough should be thick and dense.

Add the chocolate chips and cookies. Using a spatula or a spoon, fold in the chocolate chips. Add chopped cookies and gently combine. At this stage, be careful not to overmix. If the chocolate chip cookies get too crushed, their crumbles can come into contact with the blue matcha powder and create green cookies.

Portion and bake. Using an ice cream scoop, scoop out 1 serving of the dough onto the baking sheet. Repeat with the remaining dough, dropping it a few inches apart. Bake at 350°F for 11-13 minutes. The cookies should still be slightly soft to the touch in the middle when taken out of the oven.

Cool. Leave the cookies to set on the baking tray for a few minutes, then transfer to a cooling rack and let them chill before serving. Enjoy!

Keywords: sesame street monster cookies, cookie monster cookies, blue cookies

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Reader Questions and Reviews

  1. Excellent cookie recipe! We loved these so much we had divide them up and let everyone in the family call dibs on a certain amount or the kids would have fought over them. Ha!

  2. These cookies are SO GOOD! My family couldn’t stop eating them. Your Cookie Monster cookies turned us into real-life cookie monsters!