Monster Cookie Recipe – These cookies are lighthearted, chewy, and stuffed with all of the best bite-sized ingredients you can add to cookies. These colorful cookies have a combination of peanut butter, oats, chocolate chips, and M&M’s. You can’t go wrong with the sweet, salty, and hearty flavor combo, so they are perfect for all ages.

These Monster Cookies are a fun idea for any party, packed lunch, or picked up at random as a sweet treat. You won’t need flour, so these cookies are also gluten-free if you pick gluten-free oats. Thanks to their unique texture and mix of hues and tastes, Monster Cookies are a pleasing version of a classic cookie.
Monster Cookie Recipe
The Monster Cookie Recipe is both fun and enjoyable, with plenty of tasty colors and flavors. These cookies combine peanut butter, oats, chocolate chips, and candy-coated chocolates, just like M&M’s. They have a soft, chewy middle and are crisp around the edges, which cookie lovers will enjoy. You can prepare this recipe using only oats, making it gluten-free if you choose oats that are certified gluten-free. Monster cookies Recipe is perfect for adding to a party, filling a school packed lunch, or for when you’re craving something sweet at home. Made quickly and with lots of flavor, these cookies are sure to cause a monster craving!

Monster Cookie Recipe
Equipment
- 1 Mixing bowls
- 1 Electric hand mixer or stand mixer
- 1 Measuring cups and spoons
- 1 Baking sheets
- 1 Parchment paper
- 1 Cooling rack
Ingredients
- 1 cup creamy peanut butter
- ½ cup unsalted butter, softened
- ¾ cup brown sugar
- ½ cup white sugar
- 2 large eggs
- 1 tbsp vanilla extract
- 2 tbsp baking soda
- 3 cups rolled oats
- 1 cup semisweet chocolate chips
- 1 cup M&M's or candy-coated chocolates
- Pinch of salt
Instructions
- Turn on your oven to 350°F (175°C) and put parchment paper on baking sheets.
- Place peanut butter, butter and sugars into a bowl and mix them together until they turn light and feel fluffy.
- Mix the eggs and vanilla extract into your mixture.
- After that, add baking soda and salt and mix until the oats are incorporated.
- At this point, you should sprinkle chocolate chips and M&M’s into the mixture.
- Remove 2 tablespoons of dough and set each piece onto the baking sheet spaced evenly.
- Raise the dough just a little by using your fingertips or spoon.
- Remember to check your cheesy delights after 10 minutes of baking and stop cooking when the edges are brown and the middle is a bit soft.
- Wait approximately 5 minutes for the cookies to cool on the sheet, then place them on the rack.
Notes
Monster Cookie Nutrition
Nutrient | Amount |
Calories | 200–250 kcal |
Protein | 5–7 g |
Carbohydrates | 22–28 g |
Fat | 10–14 g |
Fiber | 2–3 g |
Sugar | 15–18 g |
Cholesterol | ~30 mg |
Flavour Profile of Monster Cookie Nutrition
1. Sweet and Healthy
- The combination of sugar and peanut butter produces a tasty and cozy cookie.
2. As with hot dogs, buttery and soft ones taste great.
- Butter gives a delicious smoothness and makes every bite soft and chewy.
3. Made from oats and whole grains
- With rolled oats, you get a hint of nutty flavor and a cookie that fills you up nicely.
4. Chocolatey Goodness
- Chocolate chips or chunks give the cookie sweet bites that fulfill the need for peanut butter.
5. Sweet Savings
- Having M&M’s or similar candies inside the dough gives every cookie a unique, colorful taste and texture.
6. A Right Amount of Sweet and Salt
- With salt, every part of the cookie’s flavor enhances, especially peanut butter and chocolate, without going into sweet overkill
FAQs
Q. What is the meaning of a Monster Cookie?
A. Monster Cookies are big and soft, containing oats, peanut butter, chocolate chips, and M&M’s. It’s both tasty and fun because of the mix-ins added.
Q. Can you make Monster Cookies without including peanut butter?
A. If peanut butter isn’t available, you can use almond or sunflower seed butter as an alternative. You might find the taste changes slightly, but you’ll still enjoy it.
Q. Does the cookie dough have to sit in the fridge?
A. This step isn’t required, but it helps the cookies turn out soft and thick if you let the chilled dough sit for 30 minutes.
Q. Can these cookies be stored in the freezer?
A. Yes! You are either able to freeze individual dough balls or baked cookies. Just make sure to keep the flowers in a bag or an airtight container.
Q. Why do people call them Monster cookies?
A. Monster Cookies have been given this name because they are huge and pack lots of things in one recipe, for example, oats, candies, and chocolate chips.

Hi, I’m Lauren Kossack — the recipe creator, food lover, and storyteller behind Perfect Meal Recipes! I’m based in the charming town of Zionsville, Indiana, where I share my passion for cooking simple, delicious, and family-friendly meals.
What started as a love for home-cooked comfort food has grown into a space where I create and collect the kinds of recipes that bring people together — whether it’s a quick weeknight dinner, a hearty sandwich, or a sweet weekend treat.