Oatmeal Cream Pie Cake is a delightful and nostalgic treat that bridges the gap between cake and cookie. Imagine biting into layers of soft cake filled with creamy frosting that brings back memories of your favorite childhood snack. This cake is perfect for birthdays, family gatherings, or just when you’re in the mood for something sweet. It’s worth trying not just for its delicious flavor but also for the joy it brings to any gathering.

What Makes This Recipe Special

There are plenty of reasons to love this Oatmeal Cream Pie Cake. First, it’s incredibly easy to make, using simple ingredients that you likely have in your kitchen. Families will adore the soft cake and creamy frosting that mirror the classic oatmeal cream pie cookies.

It’s a fantastic dessert for any occasion, be it a weekend brunch, a cozy family dinner, or a festive holiday party. This cake is also beginner-friendly, making it a great choice for those who might be new to baking.

“This recipe turned out even better than I expected. It’s simple, but the flavor is amazing.”

How to Prepare It

Making Oatmeal Cream Pie Cake is straightforward. You’ll start by cooking the oats to give your cake that signature texture. After combining your dry ingredients, you’ll mix everything together into a thick batter. Once baked, the layers will be ready to stack with luscious frosting in between. Finally, a glossy white chocolate glaze finishes it off beautifully. You can expect a soft, creamy dessert that will impress both kids and adults alike!

Gather These Items

Key Ingredients

2 1/2 cups water
2 cups quick cook oats (uncooked)
2 2/3 cups all-purpose flour (see notes below for measuring)
1 tbsp + 1 tsp ground cinnamon
1 teaspoon fine sea salt
1/2 tsp nutmeg
2 teaspoons baking soda
1 cup unsalted butter (room temperature)
1 cup Domino® Granulated Sugar
1 cup Domino® Light Brown Sugar (packed)
1 tbsp vanilla extract
3 large eggs (room temperature)
1/4 cup full-fat sour cream (room temperature)
2 1/2 cups unsalted butter (room temperature, for frosting)
4 cups powdered sugar
2 tbsp heavy cream
2 tsp vanilla extract
1 tsp vanilla bean paste
1 cup white chocolate chips
1/4 cup + 3 tbsp heavy cream (for glaze)
White food coloring (optional)
Oatmeal cream pie cookies (for decorating)

Helpful Notes

Substitutions: You can use whole wheat flour for a slightly different flavor and texture.
Quality Tips: Use fresh spices for the best flavor.
Why the Ingredient Matters: Quick-cook oats give the cake a chewy texture, which is key to replicating the classic cookie experience.
Optional Add-Ins: Add chopped nuts or raisins for extra flavor.

Step-by-Step Instructions

Preheat and Prepare: Preheat your oven to 350°F (180°C) and line three 8-inch cake pans with parchment paper.
Cook the Oats: Bring a pot of water to a boil. Remove from heat, stir in oats, cover, and let sit for 20 minutes. Cool to room temperature.
Mix Dry Ingredients: In a bowl, whisk together the flour, baking soda, salt, cinnamon, and nutmeg. Set aside.
Cream the Butter and Sugars: In a stand mixer, beat the room-temperature butter and both sugars on medium speed until fluffy, about 5 minutes.
Add Wet Ingredients: Mix in vanilla, eggs, and sour cream until just combined. Scrape the sides of the bowl as needed.
Combine Mixtures: Mix in the cooled oats until just combined, then gently fold in the flour mixture. Expect a very thick batter.
Bake the Cakes: Divide the batter into prepared pans (about 600 grams each) and bake for 20-22 minutes. A skewer should come out with a few moist crumbs.
Cool: Leave the cakes in the pan on a wire rack to cool, then carefully flip them out.
Make the Buttercream: In a stand mixer, beat 2 1/2 cups butter until fluffy. Gradually add in the powdered sugar, then mix on medium speed until light and airy (about 3-5 minutes). Stir in heavy cream, vanilla extract, and paste.
Assemble the Cake: Place one cake layer on a stand. Spread 1 cup of frosting on top, then add another layer, repeating until all layers are stacked, with the final layer upside down.
Frost the Cake: Spread a thin layer of frosting around the sides and top.
Make the Glaze: Heat the cream and pour over white chocolate chips, stir to melt. Add optional food coloring and cool slightly.
Glaze the Cake: Place the cake on a wire rack over a pan to catch drips. Pour glaze in the center, spreading to the edges to let it drip down the sides.
Decorate: Finish with crumbled oatmeal cream pie cookies on top.

Best Ways to Enjoy It

This Oatmeal Cream Pie Cake is perfect on its own, but you can elevate the experience by serving it with a scoop of vanilla ice cream on the side. Fresh fruit, like berries, adds a lovely tartness that balances the cake’s sweetness. It also makes a great centerpiece for dessert tables at celebrations or special occasions.

How to Store Leftovers

To keep your Oatmeal Cream Pie Cake fresh, store it in an airtight container in the refrigerator for up to 5 days. If you have extras, you can freeze individual slices wrapped in plastic wrap and foil for up to 2 months. To enjoy later, thaw in the refrigerator overnight and bring to room temperature before serving.

Pro Tips for Best Results

Common Mistakes to Avoid: Ensure your butter is at room temperature for easy creaming; this creates airy frosting.
Texture Control Advice: Be careful not to overmix once you add the flour, as that can lead to a dense cake.
Flavor Balancing Tips: Adjust the spices to your taste; more cinnamon can enhance that classic oatmeal cookie flavor.
Time-Saving Shortcuts: Prepare the cake layers ahead and freeze them; just frost when you’re ready to serve.

Creative Twists

If you want to switch things up, consider adding a chocolate twist to your cake. Replace half of the white chocolate with dark chocolate for a richer flavor, or incorporate peppermint extract for a holiday touch. For a vegan option, substitute the eggs with flax eggs and use coconut cream for the frosting.

Your Questions Answered

Can I make it ahead? Yes, the cake layers can be baked, cooled, and stored in the fridge up to 2 days before frosting.

Can I freeze it? Definitely! The unfrosted cake freezes well for up to two months.

Can I substitute an ingredient? You can replace the sour cream with Greek yogurt for a lighter option.

Why did mine turn out dry/wet? If dry, you may have overbaked it. If too wet, check your measurements or underbake slightly.

How long does it last? Stored in the fridge, the cake will last about 5 days.

Final Thoughts

This Oatmeal Cream Pie Cake will become a family favorite, blending nostalgia with rich flavors and textures. Not only is it easy to make, but it’s also versatile enough for any occasion. Try customizing it with your favorite toppings and flavors. It’s definitely worth saving this recipe for a sweet treat you won’t forget!

Oatmeal Cream Pie Cake

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A delightful cake that bridges the gap between cake and cookie, filled with creamy frosting and perfect for any occasion.

Author: zayn
Prep Time: 30 minutes
Cook Time: 40 minutes
Total Time: 70 minutes
Yield: 12 servings
Category: Dessert
Method: Baking
Cuisine: American
Diet: Vegetarian

Ingredients

Scale

2 1/2 cups water
2 cups quick cook oats (uncooked)
2 2/3 cups all-purpose flour
1 tbsp + 1 tsp ground cinnamon
1 teaspoon fine sea salt
1/2 tsp nutmeg
2 teaspoons baking soda
1 cup unsalted butter (room temperature)
1 cup granulated sugar
1 cup light brown sugar (packed)
1 tbsp vanilla extract
3 large eggs (room temperature)
1/4 cup full-fat sour cream (room temperature)
2 1/2 cups unsalted butter (room temperature, for frosting)
4 cups powdered sugar
2 tbsp heavy cream
2 tsp vanilla extract
1 tsp vanilla bean paste
1 cup white chocolate chips
1/4 cup + 3 tbsp heavy cream (for glaze)
White food coloring (optional)
Oatmeal cream pie cookies (for decorating)

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Instructions

Preheat your oven to 350°F (180°C) and line three 8-inch cake pans with parchment paper.
Bring a pot of water to a boil. Remove from heat, stir in oats, cover, and let sit for 20 minutes. Cool to room temperature.
In a bowl, whisk together the flour, baking soda, salt, cinnamon, and nutmeg. Set aside.
In a stand mixer, beat the room-temperature butter and both sugars on medium speed until fluffy, about 5 minutes.
Mix in vanilla, eggs, and sour cream until just combined. Scrape the sides of the bowl as needed.
Mix in the cooled oats until just combined, then gently fold in the flour mixture. Expect a very thick batter.
Divide the batter into prepared pans (about 600 grams each) and bake for 20-22 minutes. A skewer should come out with a few moist crumbs.
Leave the cakes in the pan on a wire rack to cool, then carefully flip them out.
In a stand mixer, beat 2 1/2 cups butter until fluffy. Gradually add in the powdered sugar, then mix on medium speed until light and airy (about 3-5 minutes). Stir in heavy cream, vanilla extract, and paste.
Place one cake layer on a stand. Spread 1 cup of frosting on top, then add another layer, repeating until all layers are stacked, with the final layer upside down.
Spread a thin layer of frosting around the sides and top.
Heat the cream and pour over white chocolate chips, stir to melt. Add optional food coloring and cool slightly.
Place the cake on a wire rack over a pan to catch drips. Pour glaze in the center, spreading to the edges to let it drip down the sides.
Finish with crumbled oatmeal cream pie cookies on top.

Notes

Store leftovers in an airtight container in the refrigerator for up to 5 days; freeze individual slices for up to 2 months.