Oatmeal Cream Pie Sandwich Cookies

Oh, prepare yourself for a serious trip down memory lane, because these Oatmeal Cream Pie Sandwich Cookies are about to become your new favorite obsession. Forget those store-bought versions you loved as a kid (though we still have a soft spot for them!), because this homemade recipe takes that nostalgic treat to a whole new level of deliciousness. What makes them so special? It’s the perfect harmony of two incredibly soft, chewy, perfectly spiced oatmeal cookies hugging an unbelievably light, sweet, and fluffy marshmallow-like cream filling. Seriously, the texture contrast is pure magic!

You’re going to absolutely adore these because they bring all the cozy comfort of a classic, but with a refined, homemade touch that just can’t be beat. Each bite is a delightful blend of warm cinnamon and brown sugar from the tender oatmeal cookies, perfectly complemented by the dreamy sweetness of the filling. They’re surprisingly simple to make, yet impressive enough to share with friends, bring to a potluck, or just keep all to yourself (no judgment here!). Get ready to fall head over heels for this elevated childhood favorite – it’s a truly irresistible dessert that promises a smile with every single bite.

Ingredient Notes

Crafting the perfect Oatmeal Cream Pie Sandwich Cookies starts with understanding the role each ingredient plays. These aren’t just any cookies; they’re meant to be chewy, subtly spiced, and wonderfully soft, with a cloud-like cream filling. Here’s a breakdown of the key players and how to choose them for the best results.

For the Oatmeal Cookies:

Rolled Oats (Old-Fashioned): This is non-negotiable for that classic chewy texture. Quick oats can work in a pinch, but they’ll result in a softer, less substantial bite. Instant oats are not recommended as they tend to disappear into the dough, losing that signature oatmeal texture we love.
All-Purpose Flour: Standard all-purpose flour works perfectly here, providing structure without making the cookies tough.
Unsalted Butter & Shortening: I love using a blend of butter and shortening for the cookies. Butter brings incredible flavor, while shortening contributes to a wonderfully soft, chewy texture and helps prevent excessive spreading. If you only have one, unsalted butter is fine, but you might lose a little of that tender chewiness.
Brown Sugar (Light or Dark) & Granulated Sugar: The combination is key. Brown sugar adds moisture, depth of flavor (thanks to its molasses content), and chewiness, while granulated sugar contributes to crisp edges and overall sweetness. Light brown sugar is common, but dark brown sugar will give you a richer, deeper flavor.
Eggs: Our primary binder, helping to hold everything together and add richness.
Vanilla Extract: Essential for enhancing all the other flavors in the cookie. Use a good quality pure vanilla extract for the best taste.
Baking Soda & Salt: Baking soda helps the cookies spread and become tender, especially when paired with the acidic brown sugar. Salt balances the sweetness and brings out the other flavors.
Ground Cinnamon & Nutmeg: These spices are what give oatmeal cookies their comforting, signature warmth. Feel free to adjust the amounts to your personal preference; some like a bolder spice profile, others prefer it subtle.

For the Cream Filling:

Unsalted Butter & Shortening: Similar to the cookies, a blend creates the best filling. Butter provides flavor, while shortening helps create a stable, wonderfully creamy, and fluffy filling that holds its shape. If you use all butter, the filling might be a bit softer and melt faster at room temperature.
Powdered Sugar (Confectioners’ Sugar): This is the base for our sweet filling, dissolving easily to create a smooth, lump-free texture. Sift it if it’s particularly clumpy to ensure maximum smoothness.
Vanilla Extract: Just like in the cookies, good vanilla is crucial for the filling’s flavor.
Milk or Cream: A splash is needed to achieve the perfect creamy consistency. Whole milk or heavy cream works beautifully, adding richness. Start with a small amount and add more as needed until you reach your desired texture.

Substitutions:

Gluten-Free: You can absolutely make these gluten-free! Substitute the all-purpose flour with a 1:1 gluten-free baking blend that contains xanthan gum.
Dairy-Free: Use plant-based butter sticks and vegetable shortening for both the cookies and the filling. Substitute the milk or cream in the filling with a plant-based milk alternative like almond or oat milk.

Step-by-Step Instructions

Let’s get those hands dirty and bring these delicious Oatmeal Cream Pie Sandwich Cookies to life! Precision in baking is key, so follow these steps closely, and you’ll be rewarded with a batch of perfectly chewy, creamy, and utterly delightful treats.

Step 1: Prepare Your Oatmeal Cookie Dough

Cream Fats and Sugars: In a large mixing bowl, using an electric mixer, beat together the softened unsalted butter and shortening until light and fluffy. This typically takes 2-3 minutes. Add the brown sugar and granulated sugar, and continue beating for another 2-3 minutes until the mixture is pale and well combined. Scrape down the sides of the bowl as needed.
Add Wet Ingredients: Beat in the eggs one at a time, ensuring each is fully incorporated before adding the next. Stir in the vanilla extract. The mixture might look slightly curdled at this stage; don’t worry, it will come together.
Combine Dry Ingredients: In a separate medium bowl, whisk together the all-purpose flour, rolled oats, ground cinnamon, ground nutmeg, baking soda, and salt. Make sure there are no lumps of baking soda.
Combine Wet and Dry: Gradually add the dry ingredient mixture to the wet mixture, mixing on low speed until just combined. Be careful not to overmix, as this can lead to tough cookies.
Chill the Dough: Cover the bowl with plastic wrap and refrigerate the cookie dough for at least 30 minutes, or up to 2 hours. Chilling helps the dough firm up, prevents the cookies from spreading too much, and allows the flavors to meld.

Step 2: Bake the Oatmeal Cookies

Preheat Oven & Prep Sheets: Preheat your oven to 375°F (190°C). Line several baking sheets with parchment paper or silicone baking mats.
Scoop the Dough: Using a cookie scoop (a 1.5-tablespoon size is ideal for even sandwich cookies), scoop rounded portions of dough onto the prepared baking sheets, leaving about 2 inches between each cookie to allow for spreading. For uniform sandwich cookies, try to make each scoop as consistent as possible.
Bake: Bake for 8-10 minutes, or until the edges are lightly golden and set, but the centers still look slightly soft. They will firm up as they cool. Do not overbake, as this will make your cookies hard rather than chewy.
Cool: Let the cookies cool on the baking sheets for 5 minutes before carefully transferring them to a wire rack to cool completely. Ensure they are fully cool before moving on to the filling step.

Step 3: Prepare the Cream Filling

Beat Fats: In a medium mixing bowl, beat the softened unsalted butter and shortening together using an electric mixer until light and fluffy. This should take about 2-3 minutes.
Add Sugar and Vanilla: Gradually add the sifted powdered sugar, about ½ cup at a time, beating well after each addition until fully incorporated. Once all the sugar is in, add the vanilla extract.
Achieve Creamy Consistency: With the mixer on low speed, slowly add the milk or cream, starting with 1 tablespoon. Increase speed to medium-high and beat for another 2-3 minutes until the filling is wonderfully light, fluffy, and smooth. If the filling is too thick, add a tiny bit more milk (¼ teaspoon at a time) until you reach your desired spreading consistency. If it’s too thin, add a tablespoon or two more sifted powdered sugar.

Step 4: Assemble Your Sandwich Cookies

Match Pairs: Once the oatmeal cookies are completely cool, sort through them and find cookies of similar size and shape to create pairs.
Fill the Cookies: Take one cookie from a pair and, using a spoon or a piping bag fitted with a large round tip, place a generous dollop (about 1-2 tablespoons) of cream filling onto the flat side.
Top and Press: Gently place the second matching cookie on top, flat side down, and press lightly until the filling spreads to the edges. Repeat with the remaining cookies and filling.

Tips & Suggestions

Making Oatmeal Cream Pie Sandwich Cookies is a delightful process, and with a few insider tips, you can elevate your batch from good to absolutely unforgettable. Here’s what I’ve learned over countless batches:

Don’t Overmix the Dough: This is a golden rule for most cookies, and it’s especially true for oatmeal cookies. Overmixing develops the gluten in the flour, leading to tough, less tender cookies. Mix until just combined.
Embrace the Chill: Chilling your cookie dough is not just a suggestion; it’s a crucial step. It solidifies the fats, preventing the cookies from spreading excessively in the oven and ensuring they maintain a thick, chewy texture. It also allows the flavors to deepen. If you’re in a hurry, even 30 minutes makes a difference, but an hour or two is ideal.
Uniformity is Key: For perfectly matched sandwich cookies, use a cookie scoop. This ensures each cookie is the same size, leading to beautifully even pairs that fit together snugly.
Don’t Overbake: Oatmeal cookies are meant to be soft and chewy. They might look slightly underdone in the center when you pull them from the oven, but they will continue to cook on the hot baking sheet. Look for edges that are lightly golden and set. Overbaking leads to dry, crunchy cookies, which isn’t the vibe we’re going for with a “cream pie” cookie.
Room Temperature Ingredients (Mostly): For the cookie dough and filling, ensure your butter and eggs are at room temperature. This allows them to emulsify better, creating a smoother dough and a fluffier filling. For the cookies, having the shortening at room temperature also helps.
Spice Adjustment: I love the classic cinnamon and nutmeg combo, but feel free to play with the spices. A tiny pinch of ground cloves or allspice can add another layer of warmth.
Filling Consistency: The cream filling should be light and spreadable, but firm enough to hold its shape. If your filling seems too stiff, beat in another half teaspoon of milk or cream. If it’s too runny, beat in another tablespoon of sifted powdered sugar.
Salt in the Filling: A tiny pinch (about ⅛ teaspoon) of fine sea salt in the cream filling can really help to cut through the sweetness and enhance the vanilla flavor. It’s a game-changer!
Piping vs. Spreading: For a professional look, pipe the cream filling onto one cookie using a piping bag with a large round tip. If you don’t have one, a spoon works just fine; just aim for an even spread.

Storage

Once you’ve assembled these delightful Oatmeal Cream Pie Sandwich Cookies, you’ll want to store them properly to maintain their freshness and that irresistible texture. Here’s how I recommend keeping them delicious:

At Room Temperature: For immediate enjoyment, these sandwich cookies can be stored in an airtight container at room temperature for up to 3-4 days. I find that storing them in an airtight container, perhaps with a piece of parchment paper between layers, helps prevent them from drying out. The cookies actually tend to soften slightly over the first day as the moisture from the filling permeates the cookie, making them even more tender – a true characteristic of a great oatmeal cream pie. Keep them away from direct sunlight or heat sources.
In the Refrigerator: If you need to extend their shelf life a bit further, or if your kitchen is particularly warm, you can store the assembled cookies in an airtight container in the refrigerator for up to a week. Be aware that the cookies themselves might firm up slightly when chilled. For the best eating experience, I recommend letting them come back to room temperature for about 15-20 minutes before serving so the cookies soften and the cream filling regains its creamy texture.
Freezing Assembled Cookies: Yes, you can freeze these! Place the assembled cookies in a single layer on a baking sheet and freeze until solid (this prevents them from sticking together). Once firm, transfer them to a freezer-safe airtight container or a heavy-duty freezer bag. They can be stored for up to 1-2 months. To thaw, simply take them out of the freezer and let them sit at room temperature for a couple of hours, or overnight in the refrigerator, before enjoying.
Freezing Unfilled Cookies & Filling Separately: This is my preferred method if I’m preparing ahead of time.
- Cookies: Bake the oatmeal cookies as directed and let them cool completely. Once cool, flash freeze them on a baking sheet, then transfer them to an airtight freezer bag or container. They will keep well for up to 3 months.
- Filling: The cream filling can be stored in an airtight container in the refrigerator for up to a week. If freezing, place it in a freezer-safe container for up to 1 month. When you’re ready to assemble, thaw the frozen cookies and filling. You’ll likely need to re-whip the filling for a minute or two with an electric mixer to restore its fluffy texture.

Final Thoughts

So there you have it! My hope is that you’re now eager to try your hand at these incredible Oatmeal Cream Pie Sandwich Cookies. There’s truly something magical about the combination of those soft, chewy oatmeal cookies – perfectly spiced with a hint of cinnamon and nutmeg – embracing that sweet, fluffy vanilla cream filling. It’s a taste that instantly transports you back to simpler times, a comforting hug in cookie form. These aren’t just any cookies; they’re a celebration of classic flavors, elevated into a delightful sandwich. Trust me, once you bite into one of these homemade Oatmeal Cream Pie Sandwich Cookies, you’ll understand why they’re an absolute must-make. They’re perfect for sharing, for treating yourself, or for bringing a smile to anyone’s face. Go ahead, give them a try – your taste buds will thank you!

Irresistible Oatmeal Cream Pie Sandwich Cookies Recipe

Print Recipe

These Oatmeal Cream Pie Sandwich Cookies are a delightful twist on a childhood favorite, featuring soft, chewy oatmeal cookies filled with a light and fluffy cream. Perfect for sharing or indulging, they promise a smile with every bite.

Author: Bluebella
Prep Time: 30 mins
Cook Time: 10 mins
Total Time: 40 minutes
Yield: 24 cookies
Category: Dessert
Method: Baking
Cuisine: American

Ingredients

Rolled Oats (Old-Fashioned)
All-Purpose Flour
Unsalted Butter
Shortening
Brown Sugar (Light or Dark)
Granulated Sugar
Eggs
Vanilla Extract
Baking Soda
Salt
Ground Cinnamon
Ground Nutmeg
Powdered Sugar (Confectioners' Sugar)
Milk or Cream

Instructions

In a large mixing bowl, using an electric mixer, beat together the softened unsalted butter and shortening until light and fluffy. This typically takes 2-3 minutes. Add the brown sugar and granulated sugar, and continue beating for another 2-3 minutes until the mixture is pale and well combined. Scrape down the sides of the bowl as needed.
Beat in the eggs one at a time, ensuring each is fully incorporated before adding the next. Stir in the vanilla extract. The mixture might look slightly curdled at this stage; don't worry, it will come together.
In a separate medium bowl, whisk together the all-purpose flour, rolled oats, ground cinnamon, ground nutmeg, baking soda, and salt. Make sure there are no lumps of baking soda.
Gradually add the dry ingredient mixture to the wet mixture, mixing on low speed until just combined. Be careful not to overmix, as this can lead to tough cookies.
Cover the bowl with plastic wrap and refrigerate the cookie dough for at least 30 minutes, or up to 2 hours.
Preheat your oven to 375°F (190°C). Line several baking sheets with parchment paper or silicone baking mats.
Using a cookie scoop (a 1.5-tablespoon size is ideal for even sandwich cookies), scoop rounded portions of dough onto the prepared baking sheets, leaving about 2 inches between each cookie.
Bake for 8-10 minutes, or until the edges are lightly golden and set, but the centers still look slightly soft.
Let the cookies cool on the baking sheets for 5 minutes before carefully transferring them to a wire rack to cool completely.
In a medium mixing bowl, beat the softened unsalted butter and shortening together using an electric mixer until light and fluffy. This should take about 2-3 minutes.
Gradually add the sifted powdered sugar, about ½ cup at a time, beating well after each addition until fully incorporated. Once all the sugar is in, add the vanilla extract.
With the mixer on low speed, slowly add the milk or cream, starting with 1 tablespoon. Increase speed to medium-high and beat for another 2-3 minutes until the filling is wonderfully light, fluffy, and smooth.
Once the oatmeal cookies are completely cool, sort through them and find cookies of similar size and shape to create pairs.
Take one cookie from a pair and, using a spoon or a piping bag fitted with a large round tip, place a generous dollop (about 1-2 tablespoons) of cream filling onto the flat side.
Gently place the second matching cookie on top, flat side down, and press lightly until the filling spreads to the edges.

Nutrition

Serving Size: 1 cookie
Calories: 150
Sugar: 10 g
Sodium: 100 mg
Fat: 6 g
Saturated Fat: 2 g
Unsaturated Fat: 4 g
Trans Fat: 0 g
Carbohydrates: 22 g
Fiber: 1 g
Protein: 2 g
Cholesterol: 20 mg

Keywords: Don't overmix the dough to prevent tough cookies. Chilling the dough is crucial for maintaining a chewy texture. For uniform cookies, use a cookie scoop. Adjust spices according to your preference, and consider adding a pinch of salt to the filling to enhance flavor.