Jump to Recipe Print RecipeAs I sifted through my pantry, a sudden spark of nostalgia hit me—a beloved childhood snack transformed into something even more delightful. Enter the Oatmeal Cream Pie Layer Cake, a show-stopping dessert that brings the flavors of those classic cookies into a moist, layered cake. Imagine soft, brown sugar cake adorned with fluffy marshmallow filling and rich vanilla bean frosting—this creation not only satisfies sweet cravings but also doubles as a fun project for those who love to bake. It’s the perfect blend of comfort and sophistication, whether you’re celebrating a special occasion or simply indulging in something sweet at home. Are you ready to experience a taste of nostalgia? Let’s dive into this delicious journey together! Why is this cake a must-try? Nostalgic flavors: Relive the joy of your childhood with each slice as the flavors of classic oatmeal cream pies come alive in a cake form. Easy to Follow: The straightforward instructions ensure that both novice and seasoned bakers can create this spectacular dessert without any stress. Impressive Presentation: Layered beautifully and topped with swirls of vanilla bean frosting, this cake is not just delicious but a stunning centerpiece for any gathering. Versatile Options: Whether you want to keep it classic or add a twist with chocolate chips, this recipe invites creativity while maintaining that comforting oatmeal flavor. Perfect Pairing: Enjoy it with a warm cup of coffee or a tall glass of milk, making it an ideal choice for afternoon treats or dessert after dinner. Oatmeal Cream Pie Layer Cake Ingredients For the Cake • Flahavan’s Rolled Oats – Adds moisture and chewiness to the cake; quick-cooking rolled oats can be substituted. • Milk – Hydrates the oats; use whole milk for creaminess or plant-based milk for a dairy-free option. • Molasses – Deepens flavor and moisture; dark brown sugar can be used as a substitute, but the flavor will differ. • Vegetable Oil – Keeps the cake moist; for a twist, melted coconut oil or butter works well. • All-Purpose Flour – Provides structure; opt for gluten-free flour for a gluten-free version. • Baking Powder & Baking Soda – Essential leavening agents for a fluffy cake; always check expiration dates for effectiveness. • Ground Cinnamon – Introduces warmth; it’s not mandatory but enhances flavor. • Salt – Balances the cake’s sweetness; don’t skip it, as it boosts overall taste. • Unsalted Butter – Adds rich flavor and moisture; margarine or vegan butter can replace it for a dairy-free version. • Dixie Crystals Extra Fine Granulated Sugar & Light Brown Sugar – Provide sweetness and moisture; you can use other sugars, but flavors will vary. For the Filling & Frosting • Taylor & Colledge Vanilla Bean Paste – Imparts a rich vanilla flavor; substitute with pure vanilla extract if needed. • Large Eggs – Binds ingredients and adds richness; flax eggs serve as a vegan substitute. • Vanilla Bean Frosting – Offers a creamy texture and sweet contrast; while store-bought is fine, homemade frosting provides the best flavor. • Marshmallow Creme or Fluff – Key for the marshmallow filling; make a homemade version with powdered sugar and whipped egg whites if unavailable. • Dixie Crystals Confectioners Powdered Sugar – Sweetens the frosting; any confectioners’ sugar will do as an alternative. For Garnish • Pre-Packaged Oatmeal Cream Pies – Perfect for decorating; feel free to use homemade cookies for a personal touch. Step‑by‑Step Instructions for Oatmeal Cream Pie Layer Cake Step 1: Prepare Oat Mixture In a medium bowl, combine 1 cup of Flahavan’s rolled oats with 1 cup of milk, 1 tablespoon of molasses, and 1/3 cup of vegetable oil. Stir well, ensuring the oats are fully soaked. Allow this mixture to sit for about 30 minutes while you prepare the other ingredients so the oats can absorb the flavors. Step 2: Preheat the Oven Preheat your oven to 350°F (175°C). As it warms, grease and flour two 8-inch round cake pans to ensure easy release post-baking. Keep an eye on your oven light to check the temperature without opening the door, as this will help maintain consistent heat. Step 3: Mix Dry Ingredients In a large mixing bowl, whisk together 2 cups of all-purpose flour, 1 teaspoon of baking powder, 1 teaspoon of baking soda, 1 teaspoon of ground cinnamon, and 1/2 teaspoon of salt. This step is crucial for evenly distributing the leavening agents throughout your dry ingredients. Set this mixture aside while you proceed to the next step. Step 4: Cream Butter and Sugars Using a stand mixer or a large mixing bowl and electric mixer, beat 1/2 cup of unsalted butter with 1 cup of granulated sugar and 1/2 cup of light brown sugar until the mixture is light and fluffy—about 3-4 minutes. The mixture should become pale and airy, signaling that it’s ready for the next ingredient. Step 5: Incorporate Eggs Add 2 large eggs to the butter and sugar mixture, one at a time, mixing well after each addition. Ensure each egg is fully incorporated before adding the next, as this helps create a well-emulsified batter, essential for the moist texture of your Oatmeal Cream Pie Layer Cake. Step 6: Combine Mixtures Gradually add the dry ingredients to the creamed butter mixture, alternating with the soaked oat mixture. Start and end with the dry ingredients, mixing just until combined. Avoid overmixing to maintain the cake’s light and fluffy texture. The batter should appear thick but spreadable, rich in flavor. Step 7: Bake Divide the batter evenly between the prepared cake pans. Bake in your preheated oven for 30-35 minutes, or until a toothpick inserted in the center comes out clean or with a few moist crumbs. Once done, allow the cakes to cool in the pans for 10 minutes before transferring them to a wire rack to cool completely. Step 8: Make Frosting In a mixing bowl, whip 1/2 cup of softened unsalted butter until creamy. Gradually add 3-4 cups of powdered sugar, 1 tablespoon of vanilla bean paste, and 2-4 tablespoons of cream, mixing until light and airy. This rich frosting will be the perfect complement to your cake, enhancing its nostalgic flavor. Step 9: Prepare Marshmallow Filling In another bowl, combine 1 cup of marshmallow fluff with 1 cup of the prepared vanilla frosting and 1 cup of sifted powdered sugar. Mix until smooth and fluffy, creating a delightful marshmallow filling that will lend sweetness and a moist texture between the cake layers. Step 10: Assemble Cake Once the cake layers have cooled completely, level the tops if necessary and slice each layer in half horizontally. Stack the layers with the marshmallow filling spread generously between each layer. After stacking, apply a thin crumb coat of frosting over the entire cake, then refrigerate for 30 minutes to set. Step 11: Final Frosting After the crumb coat has set, remove the cake from the fridge and generously frost the top and sides with the remaining vanilla frosting. Use a spatula or piping bag for decorative swirls or smooth layers. Garnish the cake with quartered oatmeal cream pies on top for that classic touch and added visual appeal. What to Serve with Oatmeal Cream Pie Layer Cake Enjoying a slice of this nostalgic cake becomes even more delightful when paired with the right accompaniments. Here are some perfect pairings to enhance your dessert experience. Creamy Vanilla Ice Cream: The cool, velvety texture complements the cake’s moist layers, making each bite a refreshing delight. Fresh Berries: Strawberries or raspberries add a burst of tartness that balances the sweetness of the cake, brightening its flavor profile. Steamed Cinnamon Apples: Warm spices and soft apples echo the cake’s cinnamon notes, creating a comforting, homey dessert combination. Coffee: A rich, smooth cup of coffee enhances the cake’s flavor, making it a delightful choice for both brunch and evening gatherings. Milk: A classic pairing, whether cold or warm, enhances the sweet flavors, ensuring that each slice of cake is wonderfully satisfying. Butterscotch Sauce: Drizzling warm butterscotch over the cake adds a layer of indulgence, transforming every bite into a decadent treat. Chocolate Ganache: For chocolate lovers, a light ganache can elevate the dessert experience, adding richness that melds beautifully with the cake’s flavors. Let these delightful pairings inspire your next sweet gathering and create a deliciously memorable experience! Make Ahead Options Preparing the Oatmeal Cream Pie Layer Cake ahead of time is a fantastic way to save precious hours during your busy week! You can make the cake layers up to 2 days in advance; simply bake them, allow them to cool completely, and wrap them tightly in plastic wrap before refrigerating. The marshmallow filling can also be prepared and stored in an airtight container for up to 3 days, maintaining its fluffy texture. When you’re ready to serve, assemble the cake by layering the chilled cake with the marshmallow filling and frosting. This preparation ensures that your cake will be just as delicious, allowing you to spend more time enjoying it with family or friends! Expert Tips • Room Temperature Ingredients: Ensure all your ingredients, especially the eggs and butter, are at room temperature for easier mixing, which helps achieve that light texture in your Oatmeal Cream Pie Layer Cake. • Don’t Overmix: When combining the dry and wet ingredients, mix just until incorporated. Overmixing can lead to a dense cake, so embrace a gentle touch! • Measuring Flour: Use the spoon-and-level method to measure flour accurately. Scooping directly can lead to packing, resulting in more flour than needed, affecting the cake’s fluffiness. • Testing for Doneness: Always check your cake with a toothpick inserted in the center. It should come out clean or with a few moist crumbs for the perfect bake. • Frosting Techniques: For a professional finish, use a piping bag for the marshmallow filling and frosting. This not only looks beautiful but ensures even layers! How to Store and Freeze Oatmeal Cream Pie Layer Cake Room Temperature: Store wrapped in plastic wrap or in an airtight container for up to 3 days. This keeps the cake soft and fresh while allowing the flavors to meld. Fridge: If you have leftovers, refrigerate them in an airtight container for up to a week. Make sure to let it come to room temperature before serving for the best texture. Freezer: This delicious Oatmeal Cream Pie Layer Cake can be frozen for up to 3 months. Wrap slices in plastic wrap and aluminum foil for protection, and thaw in the fridge when ready to enjoy. Reheating: To rejuvenate leftover slices, warm slightly in the microwave for 10-15 seconds. This will soften the cake and enhance the flavors of the marshmallow filling and frosting. Oatmeal Cream Pie Layer Cake Variations Feel free to explore these delightful twists on your Oatmeal Cream Pie Layer Cake to create a version that’s all your own! Chocolate Chip Delight: Stir in 1 cup of chocolate chips into the batter for a rich, chocolatey surprise. The blend of chocolate with the oatmeal flavor creates a delightful fusion that’s hard to resist. Nutty Crunch: Add 1/2 cup of chopped walnuts or pecans to the batter for a satisfying crunch. The nuts provide added texture and a nutty flavor that beautifully complements the cake’s richness. Spice It Up: Enhance the flavor profile with a teaspoon of nutmeg or ginger for a spicier cake. This subtle twist introduces a festive warmth, perfect for fall gatherings or holiday celebrations. Fruit Fusion: Incorporate 1 cup of diced apples or ripe bananas into the batter for a fruity twist. The added moisture from the fruit gives the cake an even softer texture while providing a hint of natural sweetness. Zesty Citrus: Add the zest of one orange or lemon to the frosting for a bright, zesty flavor. This contrast cuts through the sweetness, providing a refreshing finish to each bite. Dairy-Free Option: Substitute the butter and milk with coconut oil and almond milk, and opt for dairy-free chocolate chips if adding chocolate. This maintains the moistness and flavor while accommodating lactose sensitivities. Gourmet Frosting: Try swapping the vanilla bean frosting with a cream cheese frosting for a tangy-sweet compliment. Cream cheese adds a rich depth of flavor, creating an entirely new cake experience. Sweet Heat: Add 1/2 teaspoon of cayenne pepper or chili powder to the frosting for a touch of heat. This bold addition intrigues the palate, making each bite a flavor adventure. To further elevate your dessert game, consider pairing this cake with a side of rich coffee or a dollop of homemade whipped cream. Also, if you love mixing up desserts, you might enjoy making a Blueberry Cream Cake or a delectable Coffee Pie Indulge for your next sweet treat! Oatmeal Cream Pie Layer Cake Recipe FAQs How do I select the right rolled oats for this recipe? Absolutely! I recommend using Flahavan’s Rolled Oats for the best moisture and chewiness. If they aren’t available, quick-cooking rolled oats work as a substitute, but avoid instant oats, as they can alter the texture of the cake. How should I store leftovers of the Oatmeal Cream Pie Layer Cake? For sure! To keep your cake fresh, store it in an airtight container at room temperature for up to 3 days. If you want to extend its life, refrigerate for up to a week. Just remember to let it come to room temperature before serving for the best flavor! Can I freeze the Oatmeal Cream Pie Layer Cake, and if so, how? Yes! You can freeze your Oatmeal Cream Pie Layer Cake for up to 3 months. Wrap individual slices tightly in plastic wrap and then in aluminum foil to prevent freezer burn. When ready to enjoy, simply thaw in the refrigerator overnight before serving. What should I do if my cake sinks in the middle? Very common, but no worries! A sunken cake often means it was underbaked or the oven temperature was too low. Always check for doneness with a toothpick inserted into the center; it should come out clean or with a few moist crumbs. To ensure even baking, use an oven thermometer to verify your oven’s accuracy. Are there any dietary considerations I should keep in mind for this cake? Great question! For a gluten-free version, substitute with a gluten-free all-purpose flour. If you need it dairy-free, use plant-based milk, vegan butter, and dairy-free marshmallow fluff. Always double-check ingredients to avoid allergens, especially if serving to guests with dietary restrictions. Can I modify the sweetness or flavors of the cake? Absolutely! You can decrease the sugar in the cake and frosting for a less sweet version. If you want to experiment, consider adding chocolate chips to the batter or incorporating different extracts like almond or coconut in the frosting for a twist on the classic flavor! Oatmeal Cream Pie Layer Cake that Will Take You Back Oatmeal Cream Pie Layer Cake brings nostalgic flavors of childhood snacks to a moist and delightful dessert. Print Recipe Pin Recipe Prep Time 45 minutes minsCook Time 35 minutes minsCooling Time 30 minutes minsTotal Time 1 hour hr 50 minutes mins Servings: 12 slicesCourse: DessertCuisine: AmericanCalories: 350 Ingredients Equipment Method Nutrition Notes Ingredients 1x2x3x? For the Cake1 cup Flahavan's Rolled Oats Can substitute with quick-cooking rolled oats1 cup Milk Whole milk or plant-based milk1 tbsp Molasses Dark brown sugar can be substituted1/3 cup Vegetable Oil Melted coconut oil or butter can be used2 cups All-Purpose Flour Gluten-free flour can be used1 tsp Baking Powder Check expiration date1 tsp Baking Soda Check expiration date1 tsp Ground Cinnamon Optional for enhanced flavor1/2 tsp Salt Balances sweetness1/2 cup Unsalted Butter Margarine or vegan butter can be used1 cup Dixie Crystals Extra Fine Granulated Sugar1/2 cup Light Brown SugarFor the Filling & Frosting1 tbsp Taylor & Colledge Vanilla Bean Paste Substitute with pure vanilla extract if needed2 large Eggs Flax eggs for a vegan substitute3-4 cups Vanilla Bean Frosting Store-bought or homemade1 cup Marshmallow Creme or Fluff Can make homemade version1 cup Dixie Crystals Confectioners Powdered Sugar Any confectioners' sugar is fineFor GarnishPre-Packaged Oatmeal Cream Pies Use homemade for a personal touch Equipment Stand mixerMixing Bowlsmeasuring cupsmeasuring spoons8-inch round cake pansSpatula Method Step-by-Step Instructions for Oatmeal Cream Pie Layer CakeIn a medium bowl, combine 1 cup of Flahavan's rolled oats with 1 cup of milk, 1 tablespoon of molasses, and 1/3 cup of vegetable oil. Stir well and let sit for 30 minutes.Preheat your oven to 350°F (175°C) and grease and flour two 8-inch round cake pans.In a large mixing bowl, whisk together 2 cups of all-purpose flour, 1 teaspoon of baking powder, 1 teaspoon of baking soda, 1 teaspoon of ground cinnamon, and 1/2 teaspoon of salt. Set aside.Beat 1/2 cup of unsalted butter with 1 cup of granulated sugar and 1/2 cup of light brown sugar until light and fluffy (about 3-4 minutes).Add 2 large eggs to the mixture, one at a time, mixing well after each addition.Gradually add the dry ingredients to the creamed butter, alternating with the soaked oat mixture. Mix just until combined.Divide the batter between the cake pans and bake for 30-35 minutes, or until a toothpick comes out clean. Cool in pans for 10 minutes.Whip 1/2 cup of softened unsalted butter until creamy, then gradually mix in 3-4 cups of powdered sugar, 1 tablespoon of vanilla bean paste, and 2-4 tablespoons of cream until light and airy.In a separate bowl, mix 1 cup of marshmallow fluff with 1 cup of frosting and 1 cup of powdered sugar until smooth.Level the cooled cake layers and slice each layer in half. Stack with marshmallow filling between each layer and apply a crumb coat of frosting. Refrigerate for 30 minutes.Frost the top and sides with the remaining frosting and garnish with quartered oatmeal cream pies. Nutrition Serving: 1sliceCalories: 350kcalCarbohydrates: 55gProtein: 4gFat: 15gSaturated Fat: 8gPolyunsaturated Fat: 0.5gMonounsaturated Fat: 0.5gCholesterol: 40mgSodium: 220mgPotassium: 150mgFiber: 2gSugar: 30gVitamin A: 250IUCalcium: 100mgIron: 1mg NotesRoom temperature ingredients are recommended for better mixing. Don’t overmix to keep the cake fluffy. Use proper measuring techniques for accurate results. Tried this recipe?Let us know how it was!
