Oatmeal Cream Pies

Oatmeal Cream Pies are a homemade twist on the classic snack cake that many grew up loving. These sandwich-style cookies combine two soft and chewy cinnamon-spiced oatmeal cookies with a rich, airy marshmallow cream frosting. The result is a dessert that delivers warm spice, sweet filling, and a soft, melt-in-your-mouth texture.

Unlike store-bought versions, these Oatmeal Cream Pies are made from scratch with simple pantry staples and real ingredients. They’re not only more flavorful, but also customizable and fresher than pre-packaged options.

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Why You’ll Love This Recipe

This recipe offers a perfect blend of flavor and texture. The cookies are thick, soft, and chewy thanks to old fashioned oats and brown sugar. The addition of molasses and spices adds warmth and depth. The marshmallow filling is fluffy and light, balancing the cookies with just the right amount of sweetness.

Here’s what makes these Oatmeal Cream Pies a must-try:

• Easy to make with common ingredients
• Rich, comforting flavors from molasses, cinnamon, and oats
• Fluffy, homemade marshmallow filling
• Freezer-friendly for make-ahead desserts
• Ideal for lunchboxes, potlucks, or cozy nights at home

Preparation Phase and Tools You’ll Need

Essential Tools and Equipment

To ensure even baking and smooth assembly, gather the following tools:

• Stand mixer or hand mixer
• Mixing bowls (large and medium)
• Measuring cups and spoons
• Whisk and silicone spatula
• Cookie scoop (1.5 tablespoon size)
• Baking sheets (2)
• Parchment paper
• Cooling rack
• Piping bag or offset spatula

Importance of Each Tool

Using a cookie scoop helps maintain uniform cookie sizes, which is crucial for sandwich cookies. The stand mixer makes creaming the butter and sugars quicker and ensures the marshmallow frosting becomes light and fluffy. A cooling rack allows air circulation underneath the cookies, helping them cool evenly without becoming soggy.

Pro Tips Before You Begin

• Chill the dough before baking to prevent the cookies from spreading too much.
• Use room temperature butter and eggs for a smoother dough and even mixing.
• Don’t overbake. Cookies will continue to bake slightly on the hot tray after removal.
• Sift powdered sugar for a smooth frosting.
• For cleaner presentation, pipe the frosting using a round piping tip.

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Ingredient List

For the Oatmeal Cookies

• 1 cup unsalted butter, at room temperature
• 1 cup packed brown sugar (light or dark)
• ½ cup white granulated sugar
• 1 teaspoon pure vanilla extract
• ½ tablespoon molasses (not blackstrap)
• 2 large eggs, room temperature
• 1¾ cups all-purpose flour
• 1 teaspoon baking soda
• 1 teaspoon salt
• 1 teaspoon ground cinnamon
• ½ teaspoon pumpkin pie spice (or nutmeg)
• 3 cups old fashioned oats

For the Marshmallow Cream Frosting

• 1 cup unsalted butter, at room temperature
• 7 oz marshmallow fluff or cream
• 1 cup powdered sugar, sifted
• 1 teaspoon pure vanilla extract
• ¼ teaspoon salt

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Step-by-Step Instructions

Make the Oatmeal Cookies

1. In a bowl, whisk together flour, baking soda, salt, cinnamon, pumpkin pie spice, and oats. Set aside.
2. In a stand mixer, beat butter, brown sugar, and granulated sugar on high speed for 2 minutes until light and creamy.
3. Add vanilla, molasses, and eggs. Mix on medium speed until fully combined.
4. Slowly add the dry ingredients. Mix on low until just incorporated.
5. Chill the dough for 15 minutes while you preheat the oven to 350°F (175°C).
6. Line baking sheets with parchment paper. Scoop the dough into 36 portions using a cookie scoop.
7. Bake 12 cookies per tray for 8 to 9 minutes or until just set. Allow to cool on the baking sheet for 4 minutes before transferring to a wire rack.

Make the Marshmallow Cream Frosting

1. Beat butter and marshmallow fluff in a mixer on high speed for 3 minutes.
2. Add sifted powdered sugar, vanilla, and salt. Mix on low until combined, then beat on high for 4 more minutes until the frosting is light and airy.

Assemble the Cream Pies

1. Spread or pipe frosting onto the flat side of one cookie.
2. Top with another cookie, pressing gently to form a sandwich.
3. Chill assembled pies in the freezer for at least 10 minutes before serving. Store in the refrigerator for best freshness.

How to Serve Oatmeal Cream Pies

Once your Oatmeal Cream Pies are assembled and slightly chilled, they’re ready to enjoy. Their chewy texture and sweet marshmallow center make them ideal for various occasions. Serve them as a nostalgic dessert, wrap them as edible gifts, or enjoy them as an afternoon snack with coffee or tea.

Serving Suggestions

Here are several delicious ways to enjoy these homemade sandwich cookies:

• With milk: A glass of cold milk enhances the creaminess of the marshmallow filling.
• Room temperature: Let them sit for 10–15 minutes for a softer bite.
• Chilled: Serve straight from the fridge for a firmer, ice cream sandwich-like texture.
• Party platter: Cut each cream pie in half or quarters and display them on a dessert tray.
• Lunchbox treat: Wrap individually in parchment and add to lunchboxes.
• Holiday gift box: Stack them in tins or jars for a seasonal gift.
• Picnic dessert: Pack in a cooler for a mess-free, crowd-pleasing dessert outdoors.
• Weeknight dessert: Enjoy one as a sweet end to a comforting dinner.

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Common Mistakes to Avoid

Even though this Oatmeal Cream Pies recipe is beginner-friendly, there are some common pitfalls that can affect the outcome. Here’s what to avoid and how to fix or prevent these issues:

Overbaking the Cookies

Problem: Cookies turn out dry or too crisp.

Solution: Remove cookies from the oven when edges are set but centers still look soft. They will continue to bake slightly while cooling on the tray.

Not Chilling the Dough

Problem: Cookies spread too much and lose their shape.

Solution: Chill the dough for at least 15 minutes before baking. If baking in batches, keep unused dough chilled between rounds.

Using the Wrong Type of Oats

Problem: The texture becomes off or too soft.

Solution: Use old fashioned oats, not quick oats or steel-cut oats. Old fashioned oats provide the chewy structure these cookies need.

Overmixing the Dough

Problem: Cookies become tough or dense.

Solution: Mix dry ingredients just until combined. Overmixing develops too much gluten in the flour, making cookies dense.

Using Cold Butter or Eggs

Problem: Dough doesn’t mix smoothly or evenly.

Solution: Allow butter and eggs to reach room temperature before starting. This ensures a smoother batter and even baking.

Skipping the Sifting Step

Problem: Frosting is gritty or lumpy.

Solution: Sift powdered sugar before mixing it into the frosting for a silky-smooth texture.

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Recommended Side Pairings

While Oatmeal Cream Pies can certainly stand on their own, pairing them with the right drink or dessert enhances the experience. Here are eight delicious side options to serve alongside these sandwich cookies:

1. Vanilla Bean Milkshake

A creamy milkshake complements the warm spice and chewy texture of the cookies. Serve cold for a satisfying pairing.

2. Iced Chai Latte

Chai spices like cinnamon, cardamom, and cloves echo the cookie’s flavors. This drink brings out the cozy notes in every bite.

3. Hot Chocolate

Rich, velvety hot chocolate adds warmth and richness to the dessert table. Top with whipped cream or a sprinkle of cinnamon for extra indulgence.

4. Mixed Berry Compote

Tart berries contrast beautifully with the sweetness of the cream pies. Serve a spoonful on the side for a touch of brightness.

5. Cinnamon Roasted Apples

Warm, cinnamon-infused apples are a natural fit with the oatmeal cookie base. This pairing feels like fall in every bite.

6. Maple Glazed Pecans

The crunch of pecans with sweet maple glaze offers a textural contrast that complements the soft cookies.

7. Pumpkin Spice Ice Cream

Cool and creamy, this ice cream pairs perfectly with the molasses and cinnamon in the cookies, making for a seasonal twist.

8. Caramel Latte

The slightly bitter espresso flavor balances the cookie’s sweetness. Caramel adds a luxurious, buttery element that ties it all together.

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Mastering the Texture

To consistently achieve that perfect soft and chewy texture, remember these pro tips:

• Don’t flatten the dough before baking; it will spread naturally.
• Let the cookies rest fully before assembling to avoid melting the frosting.
• Use a cookie scoop for uniform sizing to ensure even baking.
• Chill the assembled cream pies before serving to let the filling set properly.

These Oatmeal Cream Pies are not just delicious—they’re an experience. From the spiced cookie exterior to the smooth marshmallow center, every element works together to recreate and elevate a beloved classic.

Expert Tips to Elevate Your Oatmeal Cream Pies

Homemade Oatmeal Cream Pies can easily become your go-to dessert when you follow a few extra steps to boost flavor, texture, and presentation. These tips help you go beyond the basics and ensure consistent results every time you bake.

Use High-Quality Butter and Vanilla

Because these cookies rely on simple ingredients, using real butter and pure vanilla extract makes a noticeable difference. Cheap substitutes can mute the warm, rich flavors that define this dessert.

Chill Before Baking and After Assembling

Chilling the dough before baking reduces spread, ensuring thicker, chewier cookies. Once assembled, chilling the finished cream pies allows the filling to set, making them easier to serve and store.

Spoon and Level the Flour

Too much flour leads to dry, dense cookies. Use the spoon-and-level method, or better yet, a digital scale to measure flour accurately.

Adjust for High Altitude

If you bake at high altitude, add one tablespoon of extra flour to prevent overspreading and dryness. You may also reduce baking soda slightly.

Add Texture with Mix-Ins

Want to customize the recipe? Try adding mini chocolate chips, chopped toasted pecans, or dried cranberries to the cookie dough for added flavor and crunch.

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How to Store and Freeze Oatmeal Cream Pies

These cookies store well and freeze beautifully, making them a great option for make-ahead desserts or gifting. Follow these storage guidelines to maintain texture and freshness.

Refrigerator Storage

• Store the assembled Oatmeal Cream Pies in an airtight container.
• Separate layers with parchment paper to avoid sticking.
• Keep refrigerated for up to 5 days for best freshness.

Freezer Storage

• Wrap each sandwich cookie individually in plastic wrap.
• Place wrapped cookies in a freezer-safe zip-top bag or airtight container.
• Freeze for up to 3 months.

Thawing and Serving

• Let frozen cream pies thaw in the refrigerator overnight.
• For quicker serving, allow them to sit at room temperature for 30 minutes.
• Avoid microwaving, as this will melt the filling and compromise the texture.

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Frequently Asked Questions (FAQs)

Can I use quick oats instead of old fashioned oats?

No. Quick oats change the texture of the cookies and make them less chewy. Always use old fashioned rolled oats for the best result.

Is marshmallow fluff the same as marshmallow cream?

Yes. The terms are used interchangeably. Both are suitable for the frosting in this recipe.

Can I make these cookies ahead of time?

Absolutely. You can prepare the cookies and frosting in advance. Assemble the cream pies and store them in the refrigerator or freezer until ready to serve.

How do I keep the cookies soft after baking?

Store cookies in an airtight container with a slice of white bread. The bread helps retain moisture, keeping the cookies soft.

Can I make this recipe gluten-free?

Yes. Use a 1:1 gluten-free all-purpose flour blend and certified gluten-free oats. The result is still chewy and delicious with slight texture differences.

What’s the best way to pipe the filling?

Use a piping bag fitted with a large round tip. This ensures even filling and a cleaner appearance compared to spreading with a knife.

Can I make them vegan?

Yes. Use vegan butter, flax eggs (1 tbsp ground flax + 3 tbsp water per egg), and a vegan marshmallow substitute. The result will be similar in taste and structure.

Can I reduce the sugar?

You can reduce each type of sugar slightly, but doing so will affect texture and moisture. Avoid cutting more than ¼ cup total to maintain balance.

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Final Thoughts

Making Oatmeal Cream Pies from scratch is not only simple but rewarding. You get full control over the ingredients, texture, and flavor. These nostalgic treats are soft, chewy, and filled with creamy marshmallow frosting—perfect for dessert tables, gifting, or anytime indulgence.

Whether you follow the classic version or experiment with variations, these cookies offer the ideal balance of comfort and sweetness. With proper storage and a few pro techniques, you’ll have a batch of homemade Oatmeal Cream Pies that rival or even surpass the store-bought version.