In middle school, I became friends with a girl who lived across town. Because we were both in band (I played flute; she played tenor sax!), we ended up with similar schedules and a few of the same classes.
During many weekends throughout the years, my mom drove me to her house for sleepovers. She dropped me off mid-afternoon, which gave us plenty of time to decide what we wanted for dinner, flip through magazines, walk to the park, paint our nails… Or whatever else we felt like doing.
Regardless of what fun activities we picked, we always loved those nights without homework… Where we could sleep in the next day instead of waking up at 6 am for our A Period PE class!
However, our nights usually ended with desserts and a movie once we finished eating dinner. Although we started out by watching VHS tapes (remember those??) in the beginning of the year, my friend’s mom eventually rented DVDs a few times once we figured out that we could play the discs on their family’s computer.
On those evenings, we grabbed pillows and blankets, and we curled up on the few feet of floor space in their tiny office to watch the movies. We turned out the lights to make it feel like a theater, and sometimes, if we had eaten a bit too much chocolate and didn’t feel sleepy after the first film, we popped in a second.
Although we often gravitated towards movies with regular actors, one of our favorites was the animated “Monsters Inc.” By the end of middle school, we had watched it enough times to quote over half of the movie, and whenever one of us would squawk, “Mike Wazowski!” in the same voice as the character, both of us would dissolve into giggles.
Although monster cookies aren’t actually named after Sully, Mike Wazowski, or the other monster characters (or any monsters, for that matter!), I still think of that movie every time I bake them… Including when I whipped up a batch of these Healthy Flourless Chocolate Monster Cookies a few weeks ago!
These cookies are extremely soft and chewy with lots of cozy oats, nutty peanut butter, and rich chocolate flavor. And if the flourless chocolate cookie dough wasn’t enough… They also include chocolate chips and M&Ms!
Quite a delicious mouthful, in my not-so-unbiased opinion… And nobody who tasted them could believe they’re 100 calories!
WHAT ARE MONSTER COOKIES?
So what exactly are monster cookies? I’m so glad you asked!
When I first heard of them, I imagined cookies decorated with googlie eyes or fangs made out of candy… Or frosted to look like Sully and Mike Wazowski!
However, neither of those is correct. They’re not even Halloween-themed, which was my third guess!
Instead, monster cookies are peanut butter cookies with oats, chocolate chips, and candy-coated chocolate bits (aka M&Ms!). They actually earned their name because their creator, Dick Wesley, broke multiple stand mixers when trying to beat together all of the ingredients… So he called it a “monster” of a cookie dough, and the name stuck!
HOW TO MAKE HEALTHY FLOURLESS CHOCOLATE MONSTER COOKIES
Now with that out of the way… Let’s go over how to make these healthy flourless chocolate monster cookies! This easy recipe deviates from the original in a few ways, including one key part… You don’t need a stand mixer or electric mixer to make them!
Instead, you just need a couple of bowls, a whisk, and a fork. I love any kind of recipe where I don’t need to pull out my mixer… Especially because that usually means I can stick everything in the dishwasher for easy clean up! 😉
In your first bowl, you’ll mix together instants oats and cocoa powder. Instant oats are also called “quick cooking” or “one minute” oats. They’re not the ones sold in those individual brown paper packets with flavors like apple cinnamon or maple brown sugar!
Instant oats are simply smaller and thinner than traditional old-fashioned rolled oats. This means that they cook faster and soften better in cookie dough, which makes your healthy flourless chocolate monster cookies perfectly soft and chewy!
The cocoa powder actually replaces the flour! You want the regular kind of unsweetened cocoa powder (like this!). Skip the Dutched or “special dark” cocoa powder; both of those have a different acidity level than regular unsweetened cocoa powder, which means they behave differently in baking recipes. They also taste more muted compared to the extremely rich flavor of regular unsweetened cocoa powder… Especially in these healthy flourless chocolate monster cookies!
Before we move on… Pretty, pretty please… Remember to measure the oats and cocoa powder correctly! Use this method or a kitchen scale. (← That’s the one I own!) Too much of either ingredient will dry out the dough and make your cookies taste cakey or crumbly, rather than soft and chewy. Too much cocoa powder will also make your cookies taster bitter.
I pinky swear promise it’s worth taking a few extra moments to measure correctly. It means you end up with the best healthy chocolate monster cookies imaginable!
Next, you’ll whisk together an egg white with some vanilla. No butter or oil in this recipe! And with no butter or oil, your healthy flourless chocolate monster cookies stay low calorie and low fat. It’s a win-win!
You’ll also need homemade creamy peanut butter. ← That’s my super easy recipe! You just need 5 minutes and a blender to make it. It turns out just as smooth, satiny, and creamy as store-bought jars… But for a fraction of the price!
Hint: If you’d rather use store-bought peanut butter, make sure it’s the drippy natural kind! The only ingredients on the label should be peanuts and salt (or just peanuts and no salt — either of those will work!).
Unlike the original recipe that called for refined granulated sugar, you’ll sweeten your healthy flourless chocolate monster cookies with pure maple syrup. You want the kind that comes directly from maple trees! No artificial syrup or pancake syrup here. The only ingredient on its label should be “maple syrup,” and it generally comes in thin glass bottles or squat plastic jugs (like this!).
Time for more chocolate! Just like Wesley’s original batch, these healthy flourless chocolate monster cookies also include chocolate chips and M&Ms. I save some of the M&Ms to press into the tops of the cookies right before baking. I think it makes them look even cuter and more irresistible, don’t you?
But wait… I’m getting ahead of myself!
HOW TO BAKE HEALTHY FLOURLESS CHOCOLATE MONSTER COOKIES
Before baking these healthy flourless chocolate monster cookies, you’ll need to chill the cookie dough. If you’ve measured everything correctly (especially the oats and cocoa powder!), the cookie dough should be rather sticky. Chilling helps stiffen the cookie dough, and it also prevents your cookies from spreading into one giant blob on your baking sheet.
Not that there’s anything wrong with one gigantic monster cookie… 😉
Before sliding your baking sheet into the oven, gently flatten your cookies with a spatula. These cookies don’t really spread much — if at all! — so they’ll look exactly the same when they finish baking as they did before. Just… No longer raw. 😉
Hint: One of the most common questions I get hear is “How do you make your cookies look so perfectly round?” There’s no special trick! I just use a spoon and spatula to transfer the cookie dough to my silicone baking mat. Then I use a mini spatula (← those are my favorite!) to flatten the tops and smooth out the sides.
Your healthy flourless chocolate monster cookies are actually done baking when the centers still look and feel slightly underdone — so do not overbake them! (Overbaking = dry and cakey cookies. Not good.) You’ll leave them on the warm baking sheet for at least 10 minutes, and that heat from the metal baking sheet will continue to cook the centers all the way through… Just without the cookies drying out!
And once they’ve cooled enough so you won’t burn your tongue…
Feel free to eat as many as you’d like — I won’t judge! 😉 And when you make your own, remember to snap a picture and share it on Instagram using #amyshealthybaking and tagging @amyshealthybaking IN the photo itself! (That guarantees I’ll see your picture! 🙂 ) I’d love to see your healthy flourless chocolate monster cookies!
Healthy Flourless Chocolate Monster Cookies
- 1 cup + 2 tbsp (113g) instant oats (gluten-free if necessary and measured like this)
- ½ cup (40g) unsweetened cocoa powder (measured like this)
- 1 tsp baking powder
- ⅛ tsp salt
- 1 large egg white
- 1 tsp vanilla extract
- ¼ cup (64g) homemade creamy peanut butter
- ½ cup (120mL) pure maple syrup
- 2 tbsp (28g) miniature chocolate chips
- 2 tbsp (28g) miniature M&Ms, divided
- In a medium bowl, whisk together the oats, cocoa powder, baking powder, and salt. In a separate bowl, whisk together the egg white and vanilla. Stir in the peanut butter until fully incorporated and smooth. Stir in the maple syrup. Add in the oat mixture, stirring just until incorporated. Fold in the miniature chocolate chips and 1 tablespoon of miniature M&Ms. Chill the cookie dough for 30 minutes.
- Using a spoon and spatula, drop the cookie dough into 15 rounded scoops onto the prepared sheet, and flatten using a spatula. (They don’t spread much, if at all!) Gently press the remaining miniature M&Ms into the tops. Bake at 325°F for 9-11 minutes. Cool on the pan for 10 minutes before turning out onto a wire rack.
View Nutrition Information + Weight Watchers Points
You may also like Amy’s other recipes…
♡ The Best Healthy Classic Monster Cookies
♡ Healthy Almond Butter Monster Cookies
♡ Healthy Banana Monster Cookies
♡ Healthy Pumpkin Monster Cookies
♡ Flourless Triple Chocolate Oatmeal Cookies
♡ Flourless Pumpkin Chocolate Chip Oatmeal Protein Cookies
♡ …and the rest of Amy’s healthy oatmeal cookie recipes!