Name: Decadent Oatmeal Cream Pies You’ll Want in Your Lunchbox
Prep time: 15 min
Cook time: 15 min
Total time: 30 min
Ingredients: 1 cup unsalted butter (makes the cookies rich and tender.); 1 cup brown sugar (adds moisture and a deep flavor (light or dark works!)); ½ cup white granulated sugar (perfectly balances sweetness.); 1 teaspoon pure vanilla extract (elevates the flavor profile wonderfully.); ½ tablespoon molasses (deepens the sweetness and enhances color (avoid blackstrap).); 2 large eggs (provides structure and moisture to the cookies.); 1 ¾ cups all-purpose flour (the backbone of your cookie dough.); 1 teaspoon baking soda (helps the cookies rise to perfection.); 1 teaspoon salt (enhances and balances the sweetness.); 1 teaspoon ground cinnamon (infuses warmth and a hint of spice.); ½ teaspoon pumpkin pie spice (adds a festive note (or use nutmeg!).); 3 cups old fashioned oats (gives that hearty, chewy texture we're all craving.); 1 cup unsalted butter (creates a velvety and rich frosting.); 7 oz marshmallow fluff (brings that iconic creaminess and sweetness to the filling.); 1 cup powdered sugar (sweetens the frosting while ensuring it's easy to spread.); 1 teaspoon pure vanilla extract (adds a lovely depth of flavor.); ¼ teaspoon salt (balances the sweetness of the frosting.)

There’s something special about those moments when I find myself yearning for the nostalgic taste of a homemade treat, and Oatmeal Cream Pies always take me back to simpler days. This delightful recipe perfectly combines chewy oatmeal cookies with a fluffy marshmallow filling, offering a satisfying bite that whispers comfort. Beyond their comforting charm, these Oatmeal Cream Pies are a crowd-pleaser, easy to whip up, and bring everyone together—perfect for sharing with family and friends. In just 30 minutes, you can craft a batch that’s not only delicious but also invites everyone to partake in the joy of homemade food. Ready to take a walk down memory lane and indulge in these delightful treats? Let's dive into the recipe!

Why are Oatmeal Cream Pies irresistible?

Nostalgic Flavors: The delightful combination of chewy oatmeal cookies and fluffy marshmallow filling takes you back to childhood, providing a comforting taste of home.
Quick and Easy: With just 30 minutes of your time, you can create these delicious treats—perfect for those busy weekdays when you crave something special.
Crowd-Pleasing Delight: These cookies are always a hit at parties, potlucks, and family gatherings, ensuring everyone will want seconds!
Customizable Goodness: Feel free to experiment by adding nuts, chocolate chips, or your favorite spices—making each batch uniquely yours.
For more hearty treats, check out our Chocolate Chip Cookies or Peanut Butter Bars recipes!

Oatmeal Cream Pies Ingredients

Get ready to gather your favorite home ingredients for these delightful treats!

For the Cookies

1 cup unsalted butter – makes the cookies rich and tender.
1 cup brown sugar – adds moisture and a deep flavor (light or dark works!).
½ cup white granulated sugar – perfectly balances sweetness.
1 teaspoon pure vanilla extract – elevates the flavor profile wonderfully.
½ tablespoon molasses – deepens the sweetness and enhances color (avoid blackstrap).
2 large eggs – provides structure and moisture to the cookies.
1 ¾ cups all-purpose flour – the backbone of your cookie dough.
1 teaspoon baking soda – helps the cookies rise to perfection.
1 teaspoon salt – enhances and balances the sweetness.
1 teaspoon ground cinnamon – infuses warmth and a hint of spice.
½ teaspoon pumpkin pie spice – adds a festive note (or use nutmeg!).
3 cups old fashioned oats – gives that hearty, chewy texture we're all craving.

For the Frosting

1 cup unsalted butter – creates a velvety and rich frosting.
7 oz marshmallow fluff – brings that iconic creaminess and sweetness to the filling.
1 cup powdered sugar – sweetens the frosting while ensuring it's easy to spread.
1 teaspoon pure vanilla extract – adds a lovely depth of flavor.
¼ teaspoon salt – balances the sweetness of the frosting.

These Oatmeal Cream Pies are not just a treat; they are a way to create heartwarming moments in your kitchen! Enjoy the journey of baking these delicious cookies!

Step‑by‑Step Instructions for Oatmeal Cream Pies

Step 1: Prepare the Dry Ingredients
In a large mixing bowl, whisk together 1 ¾ cups all-purpose flour, 1 teaspoon baking soda, 1 teaspoon salt, 1 teaspoon ground cinnamon, ½ teaspoon pumpkin pie spice, and 3 cups old-fashioned oats. This mixture will serve as the foundation for your delicious Oatmeal Cream Pies. Set the bowl aside to focus on the wet ingredients next.

Step 2: Cream the Butter and Sugars
Using a stand mixer or a hand mixer, beat together 1 cup of unsalted butter, 1 cup of packed brown sugar, and ½ cup of white granulated sugar on high speed for about 2 minutes. The mixture should become light and fluffy, bringing out the sweetness. This step lays the groundwork for your Oatmeal Cream Pies' inviting flavor.

Step 3: Add the Eggs and Flavors
Next, add 1 teaspoon of pure vanilla extract, ½ tablespoon of molasses, and 2 large eggs, ensuring they are at room temperature. Mix on medium speed until all ingredients are fully combined, creating a creamy, uniform batter. The vanillin aroma will fill your kitchen, making it feel even more inviting.

Step 4: Combine Wet and Dry Ingredients
Gradually add your dry ingredient mixture to the wet batter, mixing on low speed until just incorporated. Be cautious not to overmix, as you want your cookie dough to remain tender. This step is crucial to achieve the perfect texture for your Oatmeal Cream Pies.

Step 5: Chill the Cookie Dough
Cover the bowl with plastic wrap and place it in the refrigerator to chill for 15 minutes while you preheat your oven to 350°F. This will firm up the dough, making it easier to scoop. Meanwhile, line two baking sheets with parchment paper to prepare for baking your delightful cookies.

Step 6: Scoop the Cookie Dough
Using a cookie scoop or a tablespoon, portion out the chilled dough into about 36 balls. Place them on the prepared baking sheets, making sure to leave enough space between each for spreading. This ensures you get those perfect chewy cookies for your Oatmeal Cream Pies.

Step 7: Bake the Cookies
Arrange 12 cookies on each baking sheet and store any remaining dough in the fridge while the first batch bakes. Bake in the preheated oven for 8–9 minutes, or until the cookies are just set and slightly golden around the edges. Keep an eye on them; overbaking will result in a drier texture.

Step 8: Cool the Cookies
Allow the baked cookies to cool on the baking sheets for 4 minutes before carefully transferring them to a wire rack to cool completely. This step is essential as it lets them continue to firm up, ensuring your Oatmeal Cream Pies are perfectly soft yet sturdy.

Step 9: Make the Frosting
In a clean mixing bowl, combine 1 cup of unsalted butter with 7 oz of marshmallow fluff. Beat on high speed for 3 minutes until the mixture is light and fluffy. The frosting will be creamy and inviting, ready to fill your delicious Oatmeal Cream Pies with sweetness.

Step 10: Add the Remaining Frosting Ingredients
Next, add in 1 cup of sifted powdered sugar, 1 teaspoon of pure vanilla extract, and ¼ teaspoon of salt to the whipped butter and marshmallow mixture. Mix on low speed until combined, then beat on high speed for an additional 4 minutes until the frosting is airy and spreadable.

Step 11: Assemble the Oatmeal Cream Pies
Once your cookies are completely cool, take one cookie and pipe or spread a generous amount of the marshmallow frosting onto the flat side. Top with another cookie, gently pressing them together to create a delightful sandwich. This stacking is what truly crafts those beloved Oatmeal Cream Pies.

Step 12: Chill the Cookie Sandwiches
To set the filling, place the assembled Oatmeal Cream Pies in the freezer for at least 10 minutes before serving. If you prepare extras, store any leftovers in the refrigerator to maintain their wonderful textures and flavors, ensuring you have sweet treats ready at your fingertips!

Oatmeal Cream Pies Variations

Get ready to make these delightful treats even more special with your own unique touches!

Gluten-Free: Substitute all-purpose flour with a gluten-free blend for a deliciously inclusive version.
Nutty Surprise: Add ½ cup of chopped walnuts or pecans to the cookie dough for added crunch and flavor.
Chocolate Lovers: Mix in 1 cup of mini chocolate chips for a sweet and decadent twist!
Dairy-Free: Use coconut oil instead of butter and a dairy-free marshmallow cream to make a delightful vegan version.
Spicy Kick: Spice things up by adding a pinch of cayenne pepper or a few drops of hot sauce to the frosting for a surprising hint of heat.
Fruit Burst: Fold in 1 cup of dried cranberries or raisins into the dough for a chewy, fruity flavor that pairs beautifully with the oats.
Frosting Flavors: Experiment with different extracts—try almond or hazelnut instead of vanilla for a new frosting flavor adventure.
Caramel Drizzle: Drizzle melted caramel over the assembled Oatmeal Cream Pies for an indulgent touch that adds a touch of luxury to this nostalgic treat.

Feeling inspired? Dive deeper into our recipes for Peanut Butter Bars or Chocolate Chip Cookies to keep delightful homemade treats rolling!

What to Serve with Oatmeal Cream Pies

There's nothing quite like the joy of creating a luscious meal to accompany these delightful treats, inviting everyone to enjoy a taste of home.

Warm Milk: A classic pairing, warm milk enhances the sweetness and brings a cozy feeling to each bite. Ideal for relaxing after a long day!
Ice Cream: Scooping a dollop of vanilla or cinnamon ice cream alongside the pies adds creamy, cool contrast, making each bite an indulgent experience.
Coffee: A cup of freshly brewed coffee provides an energizing balance to the sweetness, perfect for those midday cravings when nostalgia hits.
Fruit Salad: A refreshing fruit salad introduces a burst of freshness and color, complementing the rich, chewy texture of the pies beautifully.
Chocolate Milkshake: Thick and creamy, a chocolate milkshake elevates the dessert experience, combining nostalgia and sweetness that pairs excellently with the pies.
Spiced Chai: The warmth and exotic spices in chai tea pair beautifully with the comforting flavors of oatmeal, creating a lovely aroma that enhances each bite.
Chocolate Dipped Strawberries: For a romantic touch, these sweet and fruity treats contrast with the hearty oatmeal cookies, adding a gourmet twist to your dessert table.
Caramel Sauce: Drizzling caramel sauce over the pies adds an extra layer of sweetness and indulgence, heightening the flavors in each creamy bite.
Nut Butter: A spread of almond or peanut butter can be a delightful addition, offering nutty richness that perfectly contrasts with the marshmallow filling.

Tips for the Best Oatmeal Cream Pies

Chill the Dough: Ensure the cookie dough is chilled for at least 15 minutes before baking; this helps achieve that perfect chewy texture and prevents spreading.

Underbake Slightly: Aim for a light golden color when baking; cookies should look just set. They’ll continue to firm up as they cool—overbaking can lead to dryness.

Room Temperature Ingredients: Bring butter and eggs to room temperature for smoother mixing! This step ensures your batter combines effortlessly for perfectly fluffy cookies.

Frosting Consistency: When making the marshmallow frosting, mix until light and airy—this gives that delightful creamy texture we crave in Oatmeal Cream Pies.

Experiment Freely: Feel free to add in your favorite mix-ins like chocolate chips or nuts—this way, you can create a personalized twist that brings you joy with each bite!

How to Store and Freeze Oatmeal Cream Pies

Room Temperature: Store freshly baked Oatmeal Cream Pies in an airtight container at room temperature for up to 3 days for optimal freshness.

Fridge: If you want to extend their shelf life, refrigerate the pies in an airtight container for up to 1 week. The coolness will help keep the marshmallow filling creamy.

Freezer: To freeze, wrap each sandwich tightly in plastic wrap, then place them in a freezer-safe bag. Enjoy them within 2–3 months for the best flavor.

Reheating: If desired, thaw in the fridge or at room temperature and enjoy your Oatmeal Cream Pies as is, or warm them for a few seconds in the microwave for that just-baked taste!

Make Ahead Options

These Oatmeal Cream Pies are perfect for meal prep enthusiasts! You can prepare the cookie dough up to 24 hours in advance; simply chill it in the refrigerator wrapped tightly in plastic wrap to maintain freshness. The baked cookies can also be stored in an airtight container for up to 3 days, ensuring they stay soft and chewy. When it's time to assemble, whip up the frosting while your cookies cool, then sandwich the filling between two cookies. For the best flavor and texture, assemble the pies right before serving or chill them for 10 minutes in the freezer to set the filling. Enjoy the time-saving benefits of having this delightful treat ready when you need it!

Oatmeal Cream Pies Recipe FAQs

How do I know if my ingredients are ripe or ready to use?
Absolutely! When selecting ingredients, especially the butter and eggs, make sure the butter is at room temperature (not melted) for easy creaming, and your eggs should also be at room temperature to ensure they blend smoothly into the batter. This step is crucial for achieving that perfect texture in your Oatmeal Cream Pies.

What’s the best way to store Oatmeal Cream Pies, and how long do they last?
You can store freshly baked Oatmeal Cream Pies in an airtight container at room temperature for up to 3 days. If you'd like to extend their freshness, refrigerate them—this helps the marshmallow filling stay creamy—keeping them good for up to a week. Just remember to layer them with parchment paper to prevent sticking!

Can I freeze Oatmeal Cream Pies?
Definitely! To freeze, wrap each assembled cookie sandwich tightly in plastic wrap, then place them inside a freezer-safe bag. These delightful treats will keep well for about 2–3 months in the freezer. When you’re ready to enjoy them, simply thaw them in the refrigerator or at room temperature for a few hours.

What should I do if my cookies turn out too dry?
If your Oatmeal Cream Pies are coming out dry, they may have been overbaked. I recommend checking them at around 8 minutes; they should look just set and slightly golden around the edges. Also, be mindful of chilling your dough for the right duration to achieve that chewy texture. If it happens again, consider adding a touch more butter into the dough on your next batch.

Are there any dietary considerations I should keep in mind for Oatmeal Cream Pies?
Very! If you’re making these for friends or family with dietary restrictions, consider using a dairy-free butter alternative for the cookies and frosting. Also, those with egg allergies can try a flaxseed meal or commercial egg replacer. Just remember that adjustments may change the flavor and texture slightly, but the joy of sharing is worth it!

Can I replace ingredients in the frosting?
Absolutely! If marshmallow fluff isn't available, you can use a simple buttercream frosting as a substitute. Just beat together 1 cup of unsalted butter with about 2 cups of powdered sugar and a splash of milk to achieve a creamy consistency. That way, you can still enjoy the delightful taste of your Oatmeal Cream Pies!