The moment you sink your teeth into a warm cookie bursting with chocolate chips and colorful M&M’s, you’ll know why this is the best monster cookies recipe out there. Imagine the gooeyness melting in your mouth while that unmistakable aroma wafts through your home—it’s like a warm hug from Grandma but with more sugar! No occasion is too small or too big for these delightful treats; whether it’s a casual Tuesday or an elaborate birthday party, these cookies steal the show every time.
I still remember the first time I baked these cookies. My kitchen transformed into a mini Willy Wonka factory as my kids danced around, excitedly waiting to devour their creations. What started as a simple baking experiment turned into an unforgettable family tradition filled with laughter and sweet memories. So grab your mixing bowl and prepare for some serious cookie magic—your taste buds are about to embark on a fantastic journey!
Why You'll Love This Recipe
- This best monster cookies recipe is super easy to whip up, making it perfect for any skill level
- The texture is delightfully chewy while providing bursts of chocolatey sweetness
- Visually stunning with vibrant M&M’s peeking through the golden brown cookie dough, they make any gathering festive
- Versatile enough to customize with nuts or dried fruits based on preference or pantry availability
I can still hear my kids’ squeals of delight when they first tasted these gooey treats fresh from the oven.
Essential Ingredients
Here’s what you’ll need to make this delicious dish:
- Butter: Use unsalted butter at room temperature for easier mixing and better flavor balance.
- Brown Sugar: Dark brown sugar adds moisture and depth; don’t skip this for maximum chewiness.
- Granulated Sugar: Balances out the deep flavors of brown sugar; use equal parts for sweetness.
- Eggs: Large eggs work best; they help bind everything together while providing richness.
- Vanilla Extract: Pure vanilla extract enhances flavors; skip imitation if possible—treat yourself!
- All-Purpose Flour: Standard flour works perfectly, but you could substitute half with whole wheat for added nutrition.
- Baking Soda: Essential for that lovely rise; be sure it’s fresh for effective leavening.
- Oats: Old-fashioned rolled oats give great texture and heartiness; avoid instant oats here.
- Chocolate Chips: Semi-sweet chocolate chips are traditional; feel free to mix dark and milk chocolate for fun!
- M&M’s Candy: Adds color and crunch; choose your favorite variety to personalize these cookies!
The full ingredients list, including measurements, is provided in the recipe card directly below.
Let’s Make it Together
Preheat Your Oven: Begin by preheating your oven to 350°F (175°C). Line a baking sheet with parchment paper to prevent sticking—trust me on this one!
Cream Butter and Sugars: In a large mixing bowl, beat softened butter with brown sugar and granulated sugar until fluffy and creamy. You want a smooth texture that feels like clouds in your mixer.
Add Eggs and Vanilla: Crack in those eggs one at a time while adding vanilla extract; mix until well combined. The mixture should look glossy—almost decadent!
Sift Dry Ingredients: In another bowl, whisk together flour, baking soda, and oats until thoroughly mixed. This helps to evenly distribute the baking soda so every bite rises perfectly.
Combine Mixtures: Gradually add the dry ingredients into the wet mixture while stirring gently until just combined. Avoid overmixing to keep your cookies soft!
Add Chocolate Chips & M&M’s: Fold in chocolate chips and colorful M&Ms until evenly distributed throughout the dough. Your dough should scream “delicious” now!
Scoop onto Baking Sheet: Use a cookie scoop or spoon to drop generous mounds of dough onto your prepared baking sheet. Leave space between each mound because they spread out like gossip at a family reunion.
Bake & Cool: Bake in your preheated oven for 10-12 minutes or until edges turn golden but centers remain soft—don’t overbake! Let them cool slightly before transferring to wire racks.
Now you’ve officially made the best monster cookies ever! Enjoy them fresh out of the oven or store them in an airtight container (if they last that long). Happy baking!
You Must Know
- The best monster cookies recipe combines oats, peanut butter, and chocolate for a chewy treat
- These cookies are perfect for satisfying your sweet tooth or sharing with friends
- Their delightful aroma and gooey texture will make everyone come back for more!
Perfecting the Cooking Process
Start by creaming the butter and sugars, then mix in eggs before adding dry ingredients. This sequence ensures even mixing and that your cookies rise perfectly.
Add Your Touch
Feel free to swap chocolate chips with M&Ms or add nuts for extra crunch. Customize according to your cravings, and turn these cookies into your own masterpiece!
Storing & Reheating
Store your monster cookies in an airtight container at room temperature for up to a week. For a warm treat, pop them in the microwave for 10 seconds!
Chef's Helpful Tips
- To achieve the best monster cookies, always use room temperature ingredients for smoother mixing
- Don’t overbake; remove them while they’re still soft in the center
- Lastly, let them cool on the baking sheet before transferring to a wire rack
The first time I made this best monster cookies recipe, my friends devoured them within minutes. Their smiles were priceless as they savored every bite, and I realized I had stumbled upon cookie magic!
FAQ
What makes this the best monster cookies recipe?
This recipe combines oats, peanut butter, chocolate chips, and M&Ms for ultimate flavor.
Can I freeze monster cookies?
Yes! Freeze them in an airtight container to enjoy later without losing freshness.
How do I make these cookies gluten-free?
Simply substitute regular flour with a gluten-free flour blend for delicious results.

Best Monster Cookies Recipe
- Total Time: 27 minutes
- Yield: Approximately 24 cookies 1x
Description
Experience the ultimate indulgence with these gooey monster cookies, loaded with chocolate chips and M&M’s—a perfect treat for any occasion!
Ingredients
- 1 cup unsalted butter (room temperature)
- 1 cup dark brown sugar
- 1 cup granulated sugar
- 2 large eggs
- 2 tsp vanilla extract
- 2 cups all-purpose flour
- 1 tsp baking soda
- 2 cups old-fashioned oats
- 1 cup semi-sweet chocolate chips
- 1 cup M&M's candy
Instructions
- Preheat your oven to 350°F (175°C) and line a baking sheet with parchment paper.
- In a large bowl, cream together room temperature butter, brown sugar, and granulated sugar until fluffy.
- Mix in eggs one at a time along with vanilla extract until glossy.
- In another bowl, whisk together flour and baking soda; gradually add to the wet mixture.
- Fold in oats, chocolate chips, and M&M's until evenly distributed.
- Scoop generous mounds of dough onto the prepared baking sheet, leaving space between each.
- Bake for 10-12 minutes until edges are golden but centers remain soft. Cool slightly before transferring to wire racks.
- Prep Time: 15 minutes
- Cook Time: 12 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 cookie (30g)
- Calories: 150
- Sugar: 10g
- Sodium: 90mg
- Fat: 7g
- Saturated Fat: 4g
- Unsaturated Fat: 3g
- Trans Fat: 0g
- Carbohydrates: 20g
- Fiber: 1g
- Protein: 2g
- Cholesterol: 20mg