Oh my gosh, you guys—these peanut butter sandwich cookies are my ultimate weakness! I swear, every time I make them, half the batch disappears before I even get to the filling part. My grandma used to make something similar when I was little, but I’ve tweaked her recipe over the years to get that perfect soft oatmeal cookie base with just the right amount of chewiness. And that creamy peanut butter filling? Absolute heaven. It’s like biting into a little cloud of peanut butter happiness. Trust me, once you try these, you’ll be hooked just like I am!
Why You’ll Love These Peanut Butter Sandwich Cookies
Okay, let me count the ways these cookies will steal your heart (and your snack drawer):
- Quick & easy – You’re just 25 minutes away from cookie heaven, start to finish
- That perfect texture – Soft oatmeal cookies with just the right chew, hugging a creamy peanut butter cloud
- Not too sweet – The brown sugar and oats balance the filling beautifully
- Total crowd-pleaser – I’ve never met anyone who could resist these, from kids to grandpas
Seriously, they’re like little edible hugs. You’ll see!
Ingredients for Peanut Butter Sandwich Cookies
Here’s everything you’ll need to make these addictive little sandwiches of joy. I’ve split it into the cookie part and the dreamy filling—because let’s be honest, the filling is what makes these extra special. Measure carefully now—baking’s like chemistry, but tastier!
For the Oatmeal Cookie Base:
- 1/2 cup (112g) unsalted butter – softened (leave it out for 30 minutes! Cold butter won’t cream right)
- 1/2 cup (100g) brown sugar – packed tight in the measuring cup (dark or light both work great)
- 1/3 cup (66g) granulated sugar – regular white sugar does the trick
- 1/2 cup smooth peanut butter – the cheap stuff actually works best here, no fancy natural kinds
- 1 large egg – straight from the fridge is fine
- 1 teaspoon vanilla extract – the good stuff, not imitation
- 3/4 cup (94g) all-purpose flour – spooned and leveled, don’t pack it down
- 1/2 teaspoon baking soda – make sure yours isn’t expired!
- 1/4 teaspoon salt – just regular table salt
- 1 1/4 cups quick oats – NOT old-fashioned (trust me on this)
For That Irresistible Peanut Butter Filling:
- 2 tablespoons (28g) unsalted butter – softened same as above
- 1/2 cup smooth peanut butter – same brand as the cookies keeps flavors consistent
- 1 cup (110g) powdered sugar – sifted if yours is lumpy
- 4-5 tablespoons (50-75ml) whipping cream or milk – cream makes it extra luxurious
How to Make Peanut Butter Sandwich Cookies
Alright, let’s get these beauties baking! I know you’re excited (I am too), but follow these steps carefully—there’s a method to the cookie madness. Don’t worry though, it’s all super simple. Just imagine you’re building little peanut butter flavor bombs, one step at a time.
Preparing the Cookie Dough
First things first—preheat that oven to 350°F (180°C). While it’s warming up, grab your biggest mixing bowl and let’s make some magic happen:
- Cream the butter and sugars like you mean it! Beat them together for a good 2-3 minutes until fluffy and light. This is where your cookies get their perfect texture, so don’t rush it.
- Add the peanut butter and mix until smooth. Oh, that smell already—heaven!
- Crack in the egg and splash of vanilla. Mix just until combined—no overdoing it now.
- Now the dry stuff—flour, baking soda, and salt go in next. Mix on low just until you can’t see flour anymore. A few streaks? No biggie.
- Fold in those oats gently. I like to do this by hand to keep them nice and intact.
Baking and Cooling
Ready to make your kitchen smell amazing? Here we go:
- Line your baking sheets with parchment paper—trust me, it’s worth the extra step for perfect cookies.
- Scoop tablespoon-sized balls of dough (I use my #40 cookie scoop) and space them about 2 inches apart—they’ll spread!
- Flatten slightly with your fingers or the bottom of a glass. Not too flat though—we want some thickness.
- Bake 8-11 minutes until the tops look set but still soft. They’ll firm up as they cool—no overbaking!
- Cool for 10 minutes on the sheet, then transfer to a rack. Important step—warm cookies + filling = messy disaster!
Making the Peanut Butter Filling
Now for the best part—that dreamy filling:
- Beat the butter first until smooth and creamy. This makes everything else blend perfectly.
- Mix in the peanut butter until you’ve got one smooth, dreamy mixture.
- Add powdered sugar gradually—unless you want a sugar cloud explosion in your kitchen!
- Drizzle in the cream one tablespoon at a time until it’s perfectly spreadable. Too thick? Add a splash more. Too thin? More sugar.
- Sandwich time! Flip a cookie upside down, spread about a tablespoon of filling, and press another cookie on top. The gentle squeeze is so satisfying!
Tips for Perfect Peanut Butter Sandwich Cookies
After making these cookies more times than I can count (and taste-testing every batch, obviously), here are my hard-earned secrets for peanut butter sandwich cookie perfection:
- Quick oats are non-negotiable – Old-fashioned oats stay too chewy and throw off the texture. Quick oats give that perfect tender bite.
- Chill sticky dough for 15 minutes – If your dough feels too soft after mixing, a quick chill makes it easier to handle without drying out.
- Taste the filling as you go – Love it sweeter? Add more powdered sugar. Prefer it peanut-butterier? Cut back on sugar and add a pinch of salt.
- Store in layers with parchment – These keep best in an airtight container with parchment between layers. They’ll stay fresh for 3 days… if they last that long!
Oh! One last thing—always make extra filling. Trust me, you’ll want to sneak spoonfuls while assembling!
Peanut Butter Sandwich Cookies Variations
Want to mix things up? Here are my favorite ways to play with this recipe:
- Crunchy peanut butter – Swap in the chunky kind for extra texture in both cookies and filling
- Chocolate chips – Fold 1/2 cup into the dough or melt some for drizzling on top
- Gluten-free – Use a 1:1 GF flour blend and certified GF oats
- Honey instead of sugar – Reduce other liquids slightly and enjoy a deeper flavor
See? Endless ways to make these your own!
Serving and Storing Peanut Butter Sandwich Cookies
These cookies are absolute magic fresh—that creamy filling just melts in your mouth! But if (somehow) you have leftovers, pop them in an airtight container with parchment between layers—they’ll stay dreamy for up to 3 days. Pro tip: freeze the unfilled cookies, then thaw and fill when you’re ready for a fresh-baked treat anytime!
Peanut Butter Sandwich Cookies Nutrition
Just so you know what you’re getting into with these addictive cookies (wink!), here’s the scoop on nutrition. Remember, exact numbers can vary based on your specific ingredients and brands. Per sandwich cookie, you’re looking at roughly:
- 280 calories – Totally worth every single one
- 16g fat (6g saturated) – Mostly from all that peanut butter goodness
- 30g carbs – With 2g fiber from the oats
- 5g protein – Peanut butter power!
Now go enjoy that sweet, peanut-buttery goodness guilt-free—life’s too short to skip cookies!
Frequently Asked Questions
I get asked about these peanut butter sandwich cookies ALL the time—here are the answers to everyone’s burning questions!
Can I use old-fashioned oats instead of quick oats?
Oh honey, I know it’s tempting when that’s all you’ve got, but quick oats really do make all the difference! Old-fashioned oats stay too chewy and can make your cookies crumbly. If you’re in a pinch, pulse regular oats in your food processor a few times to break them down.
Why do my cookies spread too much?
Three likely culprits: 1) Your butter was too soft (should leave a slight indent when pressed), 2) You skipped chilling sticky dough, or 3) Your baking soda might be past its prime. Next time, try chilling the dough for 15 minutes before baking—works like a charm!
Can I make these gluten-free?
Absolutely! Swap in a 1:1 gluten-free flour blend and make sure your oats are certified GF. The texture comes out nearly identical—my gluten-sensitive friends go crazy for this version!
How do I prevent the filling from oozing out?
Two secrets: 1) Let cookies cool COMPLETELY before filling (I know, the waiting is torture), and 2) Don’t overfill—a heaping teaspoon per cookie is perfect. The filling firms up beautifully after an hour or so.
Got your own twist on these cookies? Drop your genius ideas in the comments—I’m always looking for new ways to enjoy these peanut butter wonders! Also, if you want to see more inspiration and ideas, check out our Pinterest page for peanut butter sandwich cookies and other delicious recipes.
Print
Divinely Creamy Peanut Butter Sandwich Cookies You’ll Crave
- Total Time: 25 mins
- Yield: 14 sandwich cookies 1x
- Diet: Vegetarian
Description
Delicious peanut butter sandwich cookies with a soft oatmeal cookie base and creamy peanut butter filling.
Ingredients
- 1/2 cup unsalted butter (112 grams), softened
- 1/2 cup brown sugar (100 grams), light or dark
- 1/3 cup granulated sugar (66 grams)
- 1/2 cup smooth peanut butter
- 1 large egg
- 1 teaspoon vanilla extract
- 3/4 cup all-purpose flour (94 grams)
- 1/2 teaspoon baking soda
- 1/4 teaspoon salt
- 1 1/4 cup quick oats
- 2 tablespoons unsalted butter (28 grams)
- 1/2 cup smooth peanut butter
- 1 cup powdered sugar (110 grams)
- 4–5 tablespoons whipping cream (50–75 ml), or milk
Instructions
- Preheat the oven to 350°F (180°C). Line cookie sheets with parchment paper or baking mats.
- In a large bowl, beat the butter, brown sugar, and white sugar until fluffy. Mix in the peanut butter.
- Mix in the egg and vanilla extract.
- With the mixer on low speed, mix in the flour, baking soda, and salt. Then mix in the oats.
- Scoop the dough into 1-1.5 tablespoon balls (smaller than a golf ball). Place 2 inches apart on the lined cookie sheets and flatten slightly. Bake for 8-11 minutes until the tops look set.
- Cool for 10-15 minutes on the cookie sheet, then transfer to a cooling rack.
- For the filling, beat the butter until smooth, then mix in the peanut butter.
- Mix in the powdered sugar starting on low speed.
- Beat in the cream (or milk) 1 tablespoon at a time until smooth.
- Frost the bottom of one cookie with about 1 tablespoon of filling, then sandwich with another cookie.
Notes
- Use quick oats for best texture.
- Adjust powdered sugar in the filling to your preferred sweetness.
- Store in an airtight container for up to 3 days.
- Prep Time: 15 mins
- Cook Time: 10 mins
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 sandwich cookie
- Calories: 280
- Sugar: 20g
- Sodium: 120mg
- Fat: 16g
- Saturated Fat: 6g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 30g
- Fiber: 2g
- Protein: 5g
- Cholesterol: 30mg