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XL Peanut Butter Cookies with Sprinkles

The only thing better than peanut butter cookies are extra large peanut butter cookies packed with rainbow sprinkles and toasted oats. You’re still allowed to have more than one, trust me.

Head-on view of a stack of XL peanut butter cookies with sprinkles on a dark surface surrounded by sprinkles with recipe title at top

There’s nothing more awkward than that moment when you need to get off the train, but the person sitting next to you blocking your way out is sound asleep. This is legitimately my nightmare and causes me to break out into a serious cold sweat as I contemplate how to escape. Do I loudly say, “excuse me!” or do I tap them gently with my hand? Perhaps a combination of the two? Or do I try to crawl under the seat to avoid bothering them? But that would cause a real scene. You know what? Why don’t I just sit here silently and miss my stop and try again at the next one? This thought has actually crossed my mind. That it would be easier to make my husband pick me up 15 minutes away than it would be to have to touch this stranger and disturb their dreams. But when push comes to shove, I always go with the combination of gentle tap and pleading. They open their eyes, look incredibly uncomfortable, and then frantically jump up so I can get around them. Nightmares.

The only thing worse than being locked in your seat by a sleeping stranger is being stuck in a seat with someone eating stinky food. Or someone eating a giant slice of pizza when you’re so hungry, you feel like you might pass out. To the point that you wonder if it might actually be OK if you just ask them for a bite (who am I kidding… if I can’t even wake someone up to ask them to move, I’m definitely not asking them for a bite of their food. Also, gross). There are only a few foods that are acceptable for train eating and all of them should be able to be eaten discretely and without smell. Which is exactly why I have been packing one of these XL Peanut Butter Cookies with Sprinkles in my backpack each day. This is especially handy when I have plans after work and get on the train having not eaten in hours. Sure, I might be making other hungry commuters a little bit jealous, but at least I can eat a cookie in small dainty bites instead of shoving a huge cheesy slice of pizza in my mouth.

I made these peanut butter cookies XL size, so you only need to pack one. Not that I’d judge you if you brought more. Nope, not at all. Ever since I made Tom Colicchio’s peanut butter sandwich cookies with toasted oats (from his cookbook ‘Wichcraft), I vowed never to make peanut butter cookies without toasted oats. And I’ve stood by that.

Collage showing process for making XL peanut butter cookies, including oats cooking in butter, oats cooling on parchment paper, and peanut butter batter in bowl

Now I should also probably vow to never make peanut butter cookies without sprinkles either. Because it just doesn’t make sense not to add them?? Also from now on, all peanut butter cookies need to be big peanut butter cookies. Because it takes just as much work to make the cookies large as it does to make the cookies small.

Overhead view of blue Kitchenaid mixer with peanut butter cookie batter with sprinkles in the bowl

I used a 3.5-inch round cookie cutter for these big peanut butter cookies, but you can go even larger if you want. The closer a cookie is to being the size of your face, the better.

XL peanut butter cookies with sprinkles cut out and set on parchment paper-lined baking sheet

Everyone has a different idea of what the ideal peanut butter cookie is, but in my world they’re soft, while also being nice and crumbly and full of peanut butter flavor without being too sweet. Mission accomplished here!

Overhead view of a single XL peanut butter cookie with sprinkles on top and all around

I really had to control myself and continuously remind myself that these cookies were already XL, meaning I shouldn’t eat eight of them. Luckily, they were so satisfyingly awesome, that one was almost always enough for me (except, you know, when I was having a particularly stressful day… Or when my dog had a night where she chose to viciously bark at every other dog that appeared in a television commercial).


Isn’t it funny how sprinkles have no flavor, but they automatically make everything taste better? One of life’s little mysteries that we may never figure out.

Landscape view of a stack of XL peanut butter cookies on a dark surface surrounded by sprinkles

I never have skim milk in my fridge anymore, but I’m telling you that these are the perfect cookies to dip in milk. But soy milk and/or coconut milk doesn’t cut it. I wish it did, but it just doesn’t.

Overhead view of XL peanut butter cookies with sprinkles on a dark surface, surrounded by sprinkles with a baking rack in the background

I vote these peanut butter cookies as the best commuting snack of the year. And you know… the next time a sleeping man (I’m sorry, but it’s always a man) is blocking my way out of my seat, perhaps I’ll just wave a cookie in front of his face. That will save me the creepiness of touching him or potentially frightening him out of his dreams (the worst!).

Head-on view of a stack of XL peanut butter cookies with sprinkles on a dark surface surrounded by sprinkles

See, I really think peanut butter cookies can solve the world’s problems. Or at least my minor awkward girl problems.

Please tell me I’m not the only one who has had to deal with the sleeping stranger on the train issue? I suppose this can be an issue on airplanes, too, but at least you’re all getting off at the same place and you can wait an extra five minutes to go to the bathroom while you consider your escape plan (or while you wait for the flight attendant to kindly come wake them up for you).

What’s the best peanut butter cookie you’ve ever had?

If you’re looking for more peanut butter dessert recipes, check out these Chocolate Peanut Butter Cheerios Granola Bars and these Chocolate-Dipped Peanut Butter Heart Cookies. I also can’t wait to try these Peanut Butter Jelly Cups from Clayton’s Cookbook.

XL Peanut Butter Cookies with Sprinkles
Prep Time
20 mins
Cook Time
18 mins
Total Time
38 mins
The only thing better than a peanut butter cookie is an extra large peanut butter cookie packed with rainbow sprinkles and toasted oats. You're still allowed to have more than one.
Course: Dessert
Cuisine: American
Keyword: cookies, Peanut Butter
Servings: 24 cookies
Author: Sues
  • 1 cup + 5 Tbsp unsalted butter, room temperature and divided
  • 1 1/3 cups old-fashioned oats
  • 2 cups all-purpose flour
  • 2 tsp baking powder
  • 1 1/4 tsp salt
  • 1 cup packed light brown sugar
  • 2/3 cup granulated sugar
  • 1 cup peanut butter
  • 2 tsp vanilla
  • 1/3 cup rainbow sprinkles
  1. In a small saucepan over medium heat, melt 5 Tbsp of butter. When it’s melted, pour in oats and stir for about 5-7 minutes, until browned and toasted.
  2. Lay a piece of parchment paper on a baking sheet and when the oats are done toasting, pour them into an even layer on the parchment paper. Set aside to cool.
  3. In a medium bowl, whisk together flour, baking powder, and salt. Set aside.
  4. In the bowl of a mixer with paddle attachment or in a large bowl with a hand mixer, combine remaining cup (2 sticks) of butter, brown sugar, and granulated sugar. Beat until mixture is light and fluffy.

  5. Add peanut butter and vanilla and continue mixing until well-combined.
  6. Beat in the flour mixture until just combined, taking care not to over-mix.
  7. Fold oats and sprinkles into the batter.
  8. Divide dough into two portions. Place one portion on a large piece of parchment paper. Cover with a second piece of parchment paper. Using a rolling pin over the top of the parchment paper, roll the dough out, until it’s about 1/4 inch thick and even. Repeat with second ball of dough.
  9. Place rolled out dough sheets in the refrigerator for about 20-30 minutes to chill.
  10. Once dough is chilled, pre-heat oven to 350 degrees and line two cookie sheets with parchment paper.
  11. Working with one portion of dough at a time, place on floured surface and take the top sheet of parchment paper off.
  12. Using a 3.5-inch round cookie cutter, cut circles out of the dough and place on baking sheets. Re-roll scraps to get about 12 cookies out of each portion of dough. Repeat with second dough sheet.
  13. Bake cookies at 350 degrees for 9-11 minutes, until just starting to turn golden at edges.
  14. Let cool on the pan for a minute before moving to wire racks to cool completely.


The only thing better than peanut butter cookies are extra large peanut butter cookies packed with rainbow sprinkles and toasted oats. You're still allowed to have more than one, trust me! | wearenotmartha.com #cookies #peanutbutter #sprinkles

8 Responses to "XL Peanut Butter Cookies with Sprinkles"

  1. Kelly says:

    These cookies are gorgeous!! Love the pretty sprinkles! Totally needed after an awkward train ride!

  2. Tandy | Lavender and Lime says:

    On an 11 hour flight sometimes you cannot wait to go to the bathroom. We’ve once been on a train with someone who stank of 3 day old fish. That was my worst train experience ever!

  3. sarah k @ the pajama chef says:

    i could definitely get into these cookies! yum!

  4. Odetta Simpson says:

    These are super pretty Cookies– I love all things peanut butter!!!

  5. Reeni says:

    I would be scared to death to wake someone up! Especially a strange man! EEK! I would definitely have a cookie ready. PB cookies are my absolute favorite and bonus that these are XL!

  6. Gayle @ Pumpkin 'N Spice says:

    Oh the train nightmares! Luckily I’ve never had to take the train to work before, but I have taken it on occasion, and it can be awkward! Luckily you have lots of cookies to make up for it. Love this giant version and those sprinkles!

  7. Kelsie | the itsy-bitsy kitchen says:

    That’s it! I’m blowing off the rest of my day and making these beauties NOW! They look incredible :). And can I just say that people with smelly food should not be allowed on public transportation? I had to endure a plane ride with someone eating fish and chips once. I’m still not over it. Who puts a fish and chips place in an airport? OK, done with my rant. Have a great weekend Sues!

  8. Juliana says:

    I am loving the idea of having toasted oats in this XL peanut butter cookies…they sure look awesome Sues!

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