Homemade Monster Cookies recipe photo

Monster Cookies are a delightful treat that combines the best of both worlds—peanut butter and chocolate—into one giant cookie. These cookies are not only easy to make but are also packed with flavors and textures that will have everyone reaching for seconds (or thirds!). With a chewy oatmeal base, crunchy peanut butter, and a colorful mix of M&M’s and chocolate chips, each bite is a party for your taste buds. So, let’s dive into the world of Monster Cookies and discover why they should be your next baking adventure!

Reasons to Love Monster Cookies

Classic Monster Cookies dish photo

Monster Cookies are simply irresistible. Here are a few reasons why you’ll fall in love with them:

  • Versatile Ingredients: You can tweak the mix-ins based on your preferences or what you have on hand.
  • Chewy and Crunchy: The combination of oats, peanut butter, and chocolate delivers a chewy yet crunchy texture.
  • Quick to Make: These cookies come together in a snap, perfect for last-minute cravings or gatherings.
  • Kid-Friendly: Kids adore the colorful M&M’s, making them a hit for parties or lunchboxes.

Shopping List

Before you start mixing, gather these ingredients to whip up your Monster Cookies:

  • 3 large eggs
  • 1 1/4 cups packed light brown sugar
  • 1 cup granulated sugar
  • 1/2 teaspoon salt
  • 1 teaspoon pure vanilla extract
  • 1 12-ounce jar crunchy peanut butter
  • 1 stick (1/2 cup) unsalted butter, softened
  • 1 cup M&M’s
  • 1/2 cup semi-sweet chocolate chips
  • 1/4 cup raisins, optional
  • 2 teaspoons baking soda
  • 4 1/2 cups quick-cooking oatmeal (not instant)

Tools of the Trade

Having the right tools can make baking a breeze! Here’s what you’ll need:

  • Mixing Bowls: A large mixing bowl for combining ingredients and a smaller one for whisking eggs.
  • Measuring Cups and Spoons: Precise measurements are key to perfect cookies.
  • Baking Sheet: A non-stick baking sheet or one lined with parchment paper for easy cleanup.
  • Electric Mixer: For creaming the butter and sugars smoothly.
  • Spoon or Cookie Scoop: To portion out the dough evenly.

Stepwise Method: Monster Cookies

Easy Monster Cookies food shot

Follow these simple steps to create your delicious Monster Cookies:

Step 1: Preheat the Oven

Start by preheating your oven to 350°F (175°C). This ensures that your cookies bake evenly.

Step 2: Cream Butter and Sugars

In a large mixing bowl, beat together the softened butter, light brown sugar, and granulated sugar until the mixture is light and fluffy. This should take about 2-3 minutes with an electric mixer.

Step 3: Add Peanut Butter and Eggs

Mix in the crunchy peanut butter until fully incorporated, then add the eggs one at a time, followed by the vanilla extract. Mix until smooth.

Step 4: Combine Dry Ingredients

In a separate bowl, whisk together the salt, baking soda, and quick-cooking oatmeal. Gradually add this mixture to the wet ingredients, stirring until just combined.

Step 5: Fold in Mix-Ins

Gently fold in the M&M’s, semi-sweet chocolate chips, and raisins (if using) until evenly distributed throughout the dough.

Step 6: Scoop the Dough

Using a spoon or cookie scoop, portion out the dough onto the prepared baking sheet, leaving some space between each scoop, as they will spread while baking.

Step 7: Bake

Bake the cookies in the preheated oven for 10-12 minutes or until the edges are lightly golden. The centers may look slightly underbaked, but they will continue to cook on the baking sheet after removal.

Step 8: Cool and Enjoy

Allow the cookies to cool on the baking sheet for 5 minutes before transferring them to a wire rack to cool completely. Enjoy your homemade Monster Cookies with a glass of milk or as an after-school snack!

Make It Diet-Friendly

If you’re looking to adapt this recipe for specific dietary needs, consider the following options:

  • Gluten-Free: Use certified gluten-free oats and ensure all other ingredients are gluten-free.
  • Lower Sugar: Substitute some of the sugar with a sugar alternative like erythritol or coconut sugar.
  • Nut-Free: Use sun butter or a similar nut-free alternative in place of peanut butter.

Recipe Notes & Chef’s Commentary

  • Feel free to mix and match the add-ins based on your preferences. Try adding chopped nuts, dried fruit, or even butterscotch chips!
  • For a chewier cookie, slightly underbake them. They will firm up as they cool.
  • These cookies freeze well, making them perfect for meal prep or unexpected guests. Just thaw them at room temperature before serving.

Make-Ahead & Storage

Monster Cookies can be made ahead of time and stored in various ways:

  • Cookie Dough: You can refrigerate the cookie dough for up to 3 days or freeze it for up to 3 months. Just scoop and bake when you’re ready!
  • Baked Cookies: Store the baked cookies in an airtight container at room temperature for up to a week or in the freezer for longer storage.

Your Top Questions

Can I use instant oats instead of quick oats?

No, instant oats will not provide the same texture as quick-cooking oats. Sticking to quick oats is essential for the right chewiness.

What can I substitute for eggs in this recipe?

You can use flaxseed meal or chia seeds mixed with water as a vegan substitute. Use 1 tablespoon of flaxseed meal or chia seeds mixed with 2.5 tablespoons of water for each egg.

Can I make these cookies without peanut butter?

Absolutely! You can use almond butter, sun butter, or any nut or seed butter of your choice to suit your taste.

How can I ensure my cookies stay soft and chewy?

Do not overbake your cookies; remove them from the oven when they are slightly underbaked, and allow them to cool on the baking sheet.

More from the Kitchen

Make It Tonight

With their simple ingredients and straightforward method, Monster Cookies are the perfect treat to whip up tonight. Whether you’re baking for a party, a family gathering, or just a cozy night in, these cookies will surely delight everyone. So gather your ingredients, preheat the oven, and get ready to enjoy the deliciousness that is Monster Cookies!

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The Best Monster Cookies Ever

Homemade Monster Cookies recipe photo

Monster Cookies

These Monster Cookies are a flavor-packed treat! Chewy oatmeal, crunchy peanut butter, and colorful M&M's make every bite a delight.
Prep Time15 minutes
Cook Time12 minutes
Total Time27 minutes
Course: Dessert
Cuisine: American
Keyword: Baking, Cookies, Easy, Quick
Servings: 24 servings

Ingredients

  • 3 large Eggs
  • 1.25 cups Light Brown Sugar packed
  • 1 cup Granulated Sugar
  • 0.5 teaspoon Salt
  • 1 teaspoon Pure Vanilla Extract
  • 1 12-ounce jar Crunchy Peanut Butter
  • 0.5 cup Unsalted Butter softened
  • 1 cup M&M's
  • 0.5 cup Semi-Sweet Chocolate Chips
  • 0.25 cup Raisins optional
  • 2 teaspoons Baking Soda
  • 4.5 cups Quick-Cooking Oatmeal not instant

Instructions

  • Step 1: Preheat your oven to 350°F (175°C).
  • Step 2: In a large mixing bowl, cream together the softened butter, light brown sugar, and granulated sugar until light and fluffy, about 2-3 minutes.
  • Step 3: Mix in the crunchy peanut butter until fully combined, then add the eggs one at a time, followed by the vanilla extract.
  • Step 4: In a separate bowl, whisk together the salt, baking soda, and oatmeal. Gradually add this mixture to the wet ingredients, stirring until just combined.
  • Step 5: Fold in the M&M's, chocolate chips, and raisins (if using) until evenly distributed.
  • Step 6: Portion out the dough onto a baking sheet, leaving space between each scoop.
  • Step 7: Bake for 10-12 minutes or until edges are lightly golden. The centers may look slightly underbaked.
  • Step 8: Cool on the baking sheet for 5 minutes before transferring to a wire rack.

Equipment

  • Large Mixing Bowl
  • Electric mixer
  • Measuring cups and spoons
  • Baking Sheet
  • Spoon or cookie scoop

Notes

  • Customize your mix-ins with nuts or dried fruits!
  • For chewier cookies, slightly underbake them.
  • These cookies freeze well; just thaw before serving.

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