Cake Mix Monster Cookies

Cake Mix Monster Cookies are a fun, colorful, and irresistibly chewy treat that combines the ease of cake mix with the classic elements of monster cookies. Packed with oats, peanut butter, chocolate chips, and candy-coated chocolates, these cookies are perfect for any occasion, from bake sales to holiday gatherings.

Why You’ll Love This Recipe

  • Easy to make – Using cake mix simplifies the baking process, cutting down on prep time.
  • Soft and chewy – The combination of cake mix and oats results in a perfectly textured cookie.
  • Packed with flavor – A delicious mix of peanut butter, chocolate chips, and M&M’s makes every bite exciting.
  • Customizable – Easily swap out mix-ins to suit your taste preferences.
  • Great for any occasion – These cookies are a hit at parties, school events, or as a sweet snack.

Ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

  • Yellow or white cake mix
  • Quick oats
  • Eggs
  • Peanut butter
  • Butter, melted
  • Vanilla extract
  • Brown sugar
  • Baking soda
  • Chocolate chips
  • M&M’s

Directions

  1. Preheat oven to 350°F (175°C) and line baking sheets with parchment paper.
  2. Combine ingredients – In a large mixing bowl, mix the cake mix, oats, baking soda, brown sugar, melted butter, peanut butter, eggs, and vanilla extract until fully combined.
  3. Fold in mix-ins – Stir in chocolate chips and M&M’s.
  4. Shape cookies – Scoop out dough balls and place them on the prepared baking sheets, spacing them apart.
  5. Bake for 10-12 minutes or until the edges are golden brown.
  6. Cool – Let cookies rest on the baking sheet for a few minutes before transferring them to a wire rack to cool completely.

Servings and Timing

  • Servings: Makes about 24 cookies
  • Prep Time: 10 minutes
  • Cook Time: 12 minutes
  • Total Time: 22 minutes

Variations

  • Nut-Free Option: Substitute peanut butter with sunflower seed butter.
  • Different Cake Mixes: Try chocolate or funfetti cake mix for a twist.
  • Add-Ins: Mix in shredded coconut, chopped nuts, or mini marshmallows.
  • Healthier Version: Use natural peanut butter and reduce the sugar slightly.

Storage/Reheating

  • Room Temperature: Store in an airtight container for up to 5 days.
  • Freezing: Freeze baked cookies in a sealed bag for up to 3 months.
  • Reheating: Warm cookies in the microwave for 10-15 seconds for a fresh-from-the-oven taste.
Cake Mix Monster Cookies

FAQs

How do I keep my cookies soft and chewy?

Store them in an airtight container with a slice of bread to retain moisture.

Can I use old-fashioned oats instead of quick oats?

Yes, but the texture may be slightly chewier.

Can I make these cookies gluten-free?

Use a gluten-free cake mix and certified gluten-free oats.

What can I use instead of M&M’s?

Try Reese’s Pieces, chopped chocolate bars, or white chocolate chips.

Can I double the recipe?

Yes, simply double all ingredients and bake in batches.

Do I need to chill the dough?

No, chilling isn’t necessary, but it can help prevent spreading.

Can I use crunchy peanut butter?

Yes, it adds extra texture to the cookies.

How do I prevent cookies from spreading too much?

Make sure to use melted butter that has cooled slightly before mixing.

Can I use oil instead of butter?

Butter gives a better flavor, but you can use vegetable oil if needed.

Can I make these ahead of time?

Yes! The dough can be made ahead and stored in the fridge for up to 2 days.

Conclusion

Cake Mix Monster Cookies are an easy, fun, and delicious treat that brings together all the best cookie ingredients in one bite. Whether you’re making them for a party or just to satisfy a sweet tooth, this recipe is sure to be a hit. Try different mix-ins to make them your own and enjoy every chewy, chocolatey bite!

Print
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Cake Mix Monster Cookies

Cake Mix Monster Cookies

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  • Author: Kimberly
  • Prep Time: 10 minutes
  • Cook Time: 12 minutes
  • Total Time: 22 minutes
  • Yield: 24 cookies 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Description

These Cake Mix Monster Cookies are soft, chewy, and loaded with peanut butter, chocolate chips, and colorful M&M’s! Using cake mix makes them extra easy to whip up, and they have the perfect balance of crispy edges and a soft center. Great for parties, bake sales, or just a fun treat!


Ingredients

Units Scale
  • 1 box (15.25 oz) yellow cake mix
  • 1 cup creamy peanut butter
  • 1/2 cup unsalted butter, melted
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1 cup quick oats
  • 1/2 cup chocolate chips
  • 1/2 cup M&M’s
  • 1/2 teaspoon baking soda

Instructions

  • Preheat the oven to 350°F (175°C). Line a baking sheet with parchment paper.
  • Mix together the cake mix, melted butter, peanut butter, eggs, vanilla, and baking soda in a large bowl until well combined.
  • Stir in the oats, chocolate chips, and M&M’s until evenly distributed.
  • Scoop tablespoon-sized balls of dough onto the prepared baking sheet, spacing them about 2 inches apart.
  • Bake for 10-12 minutes, or until the edges are lightly golden.
  • Cool on the baking sheet for 5 minutes before transferring to a wire rack to cool completely.
  • Enjoy! Store in an airtight container for up to a week.

Notes

  • You can swap yellow cake mix for chocolate or funfetti cake mix for a different flavor.
  • Use mini M&M’s for even more candy in every bite!
  • If you prefer crunchy cookies, bake for an extra 2-3 minutes.

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