Monster Cookies Recipe


Indulge in the ultimate sweet treat with our Monster Cookies recipe! Bursting with flavor and loaded with irresistible mix-ins, these cookies are a delightful twist on the classic favorite. Whether you’re baking for a special occasion or simply craving a delicious snack, our Monster Cookies are sure to satisfy your sweet tooth. Join us as we explore the ingredients, steps, and tips to create these delightful cookies that will have everyone coming back for more.


  • 1/2 cup unsalted butter, at room temperature
  • 1 cup light brown sugar, packed
  • 1/2 cup granulated sugar
  • 1 1/2 cups creamy peanut butter
  • 3 large eggs
  • 1 tablespoon vanilla extract
  • 4 1/2 cups old-fashioned oats
  • 2 teaspoons baking soda
  • 1/2 teaspoon salt
  • 1 cup semisweet chocolate chips
  • 1 cup M&Ms candies
  • 1/2 cup chopped nuts optional


  1. Preheat the oven to 350F 175C and line two baking sheets with parchment paper.
  2. In a large mixing bowl, cream together the butter, brown sugar, and granulated sugar until light and fluffy.
  3. Mix in the peanut butter, eggs, and vanilla extract until well combined.
  4. Stir in the oats, baking soda, and salt until just combined. Fold in the chocolate chips, M&Ms, and nuts, if using.
  5. Use an ice cream scoop or a large spoon to drop dough onto the prepared baking sheets, about 3 inches apart.
  6. Bake for 10-12 minutes or until the edges are lightly golden but the centers are still soft.
  7. Let the cookies cool on the baking sheet for 5 minutes before transferring to a wire rack to cool completely.


  1. Freshly Baked Enjoyment: Monster Cookies are best enjoyed fresh out of the oven when they are still warm and gooey. Serve them on a plate or a platter for a delightful treat that will please both kids and adults alike.
  2. Pairing Suggestions: Accompany Monster Cookies with a glass of cold milk for a classic and satisfying combination. The creamy texture of milk balances the sweetness of the cookies, creating a perfect harmony of flavors.
  3. Variety of Occasions: Monster Cookies are versatile and can be served on various occasions. Whether it’s a casual gathering, a children’s birthday party, or a cozy night in, these cookies are sure to be a hit. Consider serving them alongside other dessert options for a dessert spread that caters to everyone’s tastes.
  4. Customization: Encourage creativity by providing a variety of mix-ins for guests to customize their Monster Cookies. Offer options such as chocolate chips, M&M’s, nuts, or shredded coconut, allowing everyone to create their own unique cookie masterpiece.


  1. Room Temperature: Store leftover Monster Cookies in an airtight container at room temperature for up to 3-4 days. Ensure the container is tightly sealed to maintain the cookies’ freshness and prevent them from drying out.
  2. Reheating: If the cookies become slightly stale, you can revive them by reheating them in the microwave for a few seconds or in a preheated oven at 300°F (150°C) for 5-10 minutes. This will help restore their soft and chewy texture.
  3. Freezing: To extend the shelf life of Monster Cookies, you can freeze them for future enjoyment. Place the cooled cookies in a single layer on a baking sheet and freeze until solid. Once frozen, transfer them to a freezer-safe bag or container, separating each layer with parchment paper to prevent sticking. They can be stored in the freezer for up to 2-3 months.
  4. Thawing: When ready to enjoy frozen Monster Cookies, remove them from the freezer and let them thaw at room temperature for about 15-20 minutes. Alternatively, you can reheat them in the microwave or oven as mentioned above to enjoy them warm and fresh.


  1. Can I substitute ingredients in the Monster Cookies recipe?
    • Yes, you can customize the ingredients to suit your preferences or dietary restrictions. For example, you can use alternative flours like almond flour or gluten-free flour for a gluten-free option. Additionally, you can swap out the peanut butter for almond butter or sunflower seed butter for a nut-free version.
  2. Can I make Monster Cookies without eggs?
    • Yes, you can make egg-free Monster Cookies by using a substitute such as mashed banana, unsweetened applesauce, or a commercial egg replacer. These alternatives will help bind the ingredients together and create a similar texture in the cookies.
  3. How do I prevent Monster Cookies from spreading too much during baking?
    • To prevent Monster Cookies from spreading excessively, make sure the dough is properly chilled before baking. Additionally, avoid overmixing the dough and ensure that the baking sheet is not too warm when placing the cookies on it. Using parchment paper or a silicone baking mat can also help prevent sticking and spreading.
  4. Can I make Monster Cookies in advance for a party or event?
    • Yes, you can prepare Monster Cookie dough in advance and refrigerate it for up to 24 hours before baking. This allows the flavors to meld together and helps the cookies maintain their shape during baking. Simply scoop the chilled dough onto baking sheets when ready to bake.
  5. Are Monster Cookies suitable for individuals with nut allergies?
    • Monster Cookies typically contain peanut butter, which may not be suitable for individuals with nut allergies. However, you can make nut-free Monster Cookies by using a seed butter such as sunflower seed butter or Wowbutter, which is made from soybeans. Be sure to check all ingredients for potential allergens and cross-contamination.


Monster Cookies are a fun and delicious treat that are perfect for any occasion. Whether you’re baking for a bake sale, a birthday party, or simply indulging in a sweet craving, these cookies are sure to please. With their customizable ingredients and irresistible flavor, Monster Cookies are guaranteed to become a new favorite in your household. So, gather your ingredients, preheat your oven, and get ready to bake up a batch of these delightful treats that are sure to bring joy to everyone who tries them.