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If you’re looking for a dessert that combines fun, flavor, and a bit of nostalgia, look no further than Monster Cookie Sandwiches. These delightful treats are not only visually appealing but also packed with a variety of tasty ingredients that will satisfy any sweet tooth. Perfect for parties, gatherings, or just a cozy night in, Monster Cookie Sandwiches are sure to become a household favorite. In this post, we’ll take you through the ingredients, steps, and tips needed to create these delicious cookies at home.
Ingredients List
- 1 cup unsalted butter, softened
- 1 cup brown sugar, packed
- 1/2 cup granulated sugar
- 1 teaspoon vanilla extract
- 2 large eggs
- 2 cups all-purpose flour
- 1 teaspoon baking soda
- 1/2 teaspoon salt
- 3 cups old-fashioned oats
- 1 cup chocolate chips
- 1 cup M&M’s candies
- 1/2 cup peanut butter chips (optional)
- Frosting for filling (store-bought or homemade)
Timing
Preparing Monster Cookie Sandwiches is not only fun but also quick! The total time required for this recipe is approximately 30 minutes for preparation and 12-15 minutes for baking. Allow an additional 30 minutes for cooling before assembling the sandwiches, making it a straightforward and satisfying endeavor.
Step-by-Step Instructions
- Preheat your oven to 350°F (175°C) and line a baking sheet with parchment paper.
- In a large bowl, cream together the softened butter, brown sugar, and granulated sugar until light and fluffy.
- Add in the eggs and vanilla extract, mixing until well combined.
- In another bowl, whisk together the flour, baking soda, and salt. Gradually add this mixture to the wet ingredients, stirring until just combined.
- Fold in the oats, chocolate chips, M&M’s, and peanut butter chips if using.
- Drop rounded tablespoons of dough onto the prepared baking sheet, leaving space between each cookie.
- Bake in the preheated oven for 12-15 minutes or until the edges are golden brown.
- Remove from the oven and let the cookies cool on the baking sheet for about 5 minutes before transferring them to a wire rack to cool completely.
- Once cooled, spread frosting on the bottom of one cookie and top it with another to create a sandwich.
Nutritional Information
Each Monster Cookie Sandwich contains approximately 250-300 calories, depending on the size and the amount of frosting used. They are rich in carbohydrates from the oats and sugars, while also providing fats from the butter and chocolate. Keep in mind that these treats are best enjoyed in moderation!
Healthier Alternatives for the Recipe
If you’re looking to make your Monster Cookie Sandwiches a bit healthier, consider the following alternatives:
- Use whole wheat flour instead of all-purpose flour for added fiber.
- Substitute coconut oil or applesauce for butter to reduce saturated fat.
- Opt for dark chocolate chips and reduce the sugar content by using less sweetener.
- Add dried fruits or nuts for additional nutrients and flavor.
Serving Suggestions
Monster Cookie Sandwiches can be served in various fun ways:
- Pair them with a glass of cold milk for a classic treat.
- Serve them at birthday parties or family gatherings for a colorful dessert option.
- Try adding a scoop of ice cream between the cookies for an indulgent ice cream sandwich.
Common Mistakes to Avoid
To ensure your Monster Cookie Sandwiches turn out perfectly, avoid these common mistakes:
- Overmixing the dough can lead to tough cookies. Mix until just combined.
- Not allowing the cookies to cool completely before frosting can cause the frosting to melt.
- Using expired baking soda can affect the rise, so check your ingredients before starting.
Storing Tips for the Recipe
To keep your Monster Cookie Sandwiches fresh, store them in an airtight container at room temperature for up to one week. For longer storage, consider freezing the cookies without frosting, then thawing and frosting them as needed for fresh treats.
Conclusion
Monster Cookie Sandwiches are a delightful treat that brings joy to any occasion. With their chewy texture and sweet flavors, they are sure to impress family and friends alike. Whether you stick to the classic recipe or try some healthier alternatives, these cookies are a must-try. Don’t forget to check out more variations of Monster Cookie Sandwiches to keep the fun going!
FAQs
Can I make these cookies gluten-free?
Yes! You can substitute the all-purpose flour with a gluten-free flour blend and ensure that your oats are certified gluten-free.
How can I make the frosting for the sandwiches?
You can use store-bought frosting or create your own by mixing butter, powdered sugar, vanilla extract, and a splash of milk until you reach your desired consistency.
Can I add other mix-ins to the cookies?
Absolutely! Feel free to experiment with other mix-ins like chopped nuts, dried fruits, or different types of chocolate.

Monster Cookie Sandwiches: A Sweet Delight to Try!
Ingredients
- 1 cup unsalted butter softened
- 1 cup brown sugar packed
- ½ cup granulated sugar
- 1 teaspoon vanilla extract
- 2 large eggs
- 2 cups all-purpose flour
- 1 teaspoon baking soda
- ½ teaspoon salt
- 3 cups old-fashioned oats
- 1 cup chocolate chips
- 1 cup M&M’s candies
- ½ cup peanut butter chips optional
- Frosting for filling store-bought or homemade
Instructions
- Preheat your oven to 350°F (175°C) and line a baking sheet with parchment paper.
- In a large bowl, cream together the softened butter, brown sugar, and granulated sugar until light and fluffy.
- Add in the eggs and vanilla extract, mixing until well combined.
- In another bowl, whisk together the flour, baking soda, and salt. Gradually add this mixture to the wet ingredients, stirring until just combined.
- Fold in the oats, chocolate chips, M&M’s, and peanut butter chips if using.
- Drop rounded tablespoons of dough onto the prepared baking sheet, leaving space between each cookie.
- Bake in the preheated oven for 12-15 minutes or until the edges are golden brown.
- Remove from the oven and let the cookies cool on the baking sheet for about 5 minutes before transferring them to a wire rack to cool completely.
- Once cooled, spread frosting on the bottom of one cookie and top it with another to create a sandwich.





