Name: Oreo Cake with Coffee Oreo Buttercream Recipe
Prep time: 25 min
Cook time: 30 min
Total time: 55 min
Cuisine: American
Ingredients: 1 sleeve of Oreo cookies (about 16 cookies), cream removed; 1/2 cup butter, room temperature; 1/2 cup oil; 1 1/2 cups sugar; 4 eggs, room temperature; 2 tablespoons vanilla extract; 3 cups cake flour; 1 teaspoon salt; 2 1/2 teaspoons baking powder; 1 1/3 cups buttermilk; 1 cup unsalted butter; 3 1/2 cups powdered sugar (about one box); 4 tablespoons whole milk; 2-3 tablespoons espresso powder to taste; 2 teaspoons vanilla extract; 1/2 teaspoon salt; 1 sleeve of Oreos, cream removed and crushed up

Jump to Recipe· 4.3 from 72 reviews

If you’re a fan of cookies and coffee, get ready to fall head over heels for this Oreo Cake with Coffee Oreo Buttercream Recipe. This show-stopping dessert combines the timeless crunch of Oreo cookies with the rich, aromatic punch of coffee in a frosting that perfectly balances sweet and bold. Whether you’re celebrating a special occasion or just treating yourself on a quiet afternoon, this cake offers moist layers studded with Oreo pieces complemented by a creamy buttercream that’s bursting with decadent coffee flavor. It’s a delightful twist on classic flavors that you’ll want to make again and again.

Ingredients You’ll Need

The image shows a tall, round cake with three visible layers of light brown sponge mixed with small dark crumbs. Between each sponge layer is a thick light brown cream frosting that looks smooth and slightly fluffy. The outside of the cake is also covered evenly with this cream frosting, and the top is sprinkled with more dark crumbs. A slice is taken out from the cake and placed flat on the white marbled surface in front of it, showing the inside layers clearly. The background includes a glass of milk, a vase with white flowers, and some cutlery in a glass jar, all sitting on a white marbled surface. Photo taken with an iphone --ar 4:5 --v 7

All the ingredients for this Oreo Cake with Coffee Oreo Buttercream Recipe come together to create a perfect harmony of taste and texture. Each one plays an essential role—from the cake’s tender crumb to the luscious frosting’s velvety finish, and of course, those irresistible Oreo pieces that add that iconic crunch.

Oreo cookies: About two sleeves are needed to add that unmistakable cookie flavor and texture to both cake and frosting.
Butter: Room temperature butter provides richness and moisture in the cake and a creamy base for the frosting.
Oil: Adds extra moisture and keeps the cake tender even after baking.
Sugar: Granulated sugar sweetens the cake, while powdered sugar forms the sweet base of the buttercream.
Eggs: Used to bind and provide structure, also adding richness to the cake.
Vanilla extract: Enhances all the other flavors with its warm aroma.
Cake flour: Makes the cake light and soft with a fine crumb.
Salt: Balances sweetness and depth in both cake and frosting.
Baking powder: The leavening agent that gives the cake its fluffy rise.
Buttermilk: Adds a subtle tang and keeps the cake moist and tender.
Unsalted butter: For the frosting, a creamy foundation that lets the coffee and Oreo flavors shine.
Whole milk: Thins the frosting to the perfect spreading consistency.
Espresso powder: Brings that rich coffee taste to the buttercream, allowing you to adjust intensity.

How to Make Oreo Cake with Coffee Oreo Buttercream Recipe

Step 1: Prep Your Pans and Crush the Oreos

Begin by preheating your oven to 325°F and greasing and flouring the cake pans you’ll use—either three 6-inch pans or two 8 or 9-inch pans. Then, separate your Oreos to remove the cream centers and place the cookie parts in a plastic bag. Use a rolling pin to crush them into small pieces that will add texture and flavor throughout the cake batter.

Step 2: Cream the Butter and Oil

In a large mixing bowl with a whisk attachment, beat the softened butter and oil together until they form a smooth, homogenous mixture—this usually takes about 3 minutes. Make sure your butter is completely at room temperature; cold butter won’t blend properly and can lead to a heavier texture.

Step 3: Add Sugar, Eggs, and Vanilla

Slowly add granulated sugar to the butter and oil mixture, beating on high until it lightens in color and becomes fluffy—about 3 minutes. Then add the eggs one at a time, mixing well after each addition, along with the vanilla extract. Don’t forget to scrape down the bowl to incorporate every bit of batter; this will help trap air and result in a lighter cake.

Step 4: Combine Dry Ingredients and Buttermilk

In a separate bowl, sift together cake flour, salt, and baking powder. Begin alternating adding the buttermilk and dry ingredient mixture to the wet batter in 4 batches, starting with the buttermilk and finishing with the dry. It’s okay if there are a few lumps remaining; overmixing can make the cake tough. After mixing the batter, fold in the crushed Oreo pieces evenly.

Step 5: Bake the Cake Layers

Divide the batter evenly among your prepared pans. Bake for about 30 minutes, or until the cake is lightly golden and springs back when gently pressed. A toothpick inserted should come out clean. Let the cakes cool completely on a wire rack before moving on to the frosting.

Step 6: Make the Coffee Oreo Buttercream

In a large bowl, beat unsalted butter, powdered sugar, milk, vanilla extract, and salt together until the mixture is light and fluffy, roughly one minute. Add espresso powder by the tablespoon to achieve your preferred coffee intensity—2 for mild, 3 for bold flavors work best. Gently fold in the crushed Oreos with a spatula to avoid breaking them down too much, preserving texture in your frosting.

Step 7: Assemble the Cake

Place your first cake layer on a serving plate or cake stand, then spread a generous amount of the coffee Oreo buttercream on top. Repeat layering with the remaining cake and frosting. Finally, use the leftover frosting to cover the sides of the cake. Serve with a sprinkle of crushed Oreos on top for a stunning finish.

How to Serve Oreo Cake with Coffee Oreo Buttercream Recipe

A tall round cake covered with light brown frosting that has a slightly rough texture. The cake is decorated with crushed dark crumbs sprinkled on the top edge and scattered a bit on the top surface. It sits on a white round cake board placed on a white marbled surface covered with a white cloth. Around the cake, there are white dishes, forks, a glass of milk, and a small bunch of white flowers in the background. The setting is bright and simple, emphasizing the cake's tall and creamy appearance. photo taken with an iphone --ar 4:5 --v 7

Garnishes

A touch of crushed Oreos scattered on top of the frosted cake gives an irresistible crunch and visual appeal. For a little extra flair, you can also add chocolate shavings or a light dusting of cocoa powder to evoke a mocha vibe.

Side Dishes

This cake pairs wonderfully with a simple scoop of vanilla ice cream or a dollop of freshly whipped cream. If you want to intensify the coffee theme, serve alongside an espresso shot or a creamy latte. Fresh berries can also brighten the plate and add a lovely touch of acidity to balance the sweetness.

Creative Ways to Present

Try individual cake slices layered in clear dessert cups with extra buttercream and Oreo crumbs for an elegant twist. Or serve mini Oreo cupcakes topped with coffee buttercream as a fun party alternative. For a casual gathering, a rustic slice on a wooden board with scattered cookie crumbs looks charming and inviting.

Make Ahead and Storage

Storing Leftovers

Once frosted, this Oreo Cake with Coffee Oreo Buttercream Recipe keeps best stored in an airtight container in the refrigerator. The cake layers will stay moist and the frosting will keep its creamy texture for up to 4 days, so feel free to savor every bite over time.

Freezing

If you want to store the cake longer, wrap it tightly in plastic wrap and aluminum foil before freezing. It can be frozen for up to 2 months without losing much quality. Thaw it overnight in the refrigerator before serving to maintain moisture and flavor.

Reheating

This cake is best served chilled or at room temperature, so reheating is generally not necessary. However, if you find the frosting too firm after refrigeration, let the slice sit at room temperature for 20–30 minutes before enjoying for the perfect softness and flavors.

FAQs

Can I use instant coffee instead of espresso powder for the frosting?

Yes, instant coffee can work in a pinch, but espresso powder has a more concentrated flavor that really enhances the buttercream. Use a little less instant coffee and adjust to taste.

Is it necessary to remove the cream from the Oreos?

Removing the cream helps to avoid extra moisture and keeps the texture of the cake and frosting just right. Plus, it amplifies the cookie crunch in every bite.

Can I make this cake vegan or dairy-free?

This recipe relies on butter, buttermilk, and eggs for its texture and taste. However, with the right substitutions like plant-based butter, non-dairy milk with acid for buttermilk, and egg replacers, you can experiment to make a vegan-friendly version.

What if I don’t have cake flour? Can I use all-purpose flour?

You can substitute all-purpose flour by removing 2 tablespoons of flour per cup and replacing with the same amount of cornstarch. This mimics the lighter texture of cake flour.

How can I make the coffee flavor stronger without making it bitter?

Use quality espresso powder and add it gradually to the frosting. Also, balancing with enough powdered sugar and butter helps maintain sweetness so the coffee flavor doesn’t turn bitter or overpowering.

Final Thoughts

There’s something truly special about this Oreo Cake with Coffee Oreo Buttercream Recipe that turns any moment into a celebration. The blend of crunchy Oreos, moist cake, and rich coffee buttercream is comforting yet decadent—a perfect treat to share or enjoy on your own. I can’t wait for you to bake it and discover your own favorite ways to savor each bite!