Brown Butter Espresso Cake

Brown Butter Espresso Cake is a coffeehouse-inspired layer cake with espresso cream filling and silky Swiss meringue buttercream. It combines the subtle notes of coffee with the warm nutty flavors of brown butter. They’re unexpectedly perfect together!

The first time I made cake layers using brown butter, the flavor really surprised me. I expected a little extra richness and that signature nutty flavor, but what came through was something different. It was a roasty-toasty aroma that reminded me of the notes in my favorite espresso drink. I couldn’t stop thinking about it. So, I decided to try the two flavors together. Turns out, espresso + brown butter = a truly unique coffee cake!

This espresso cake is the result of that little experiment. Brown butter cake layers are infused with espresso, then they’re filled with a soft and fluffy coffee cream. It’s all covered in a smooth espresso Swiss meringue buttercream. The finished cake is so nice – not overly sweet and has the subtle notes found in espresso along with the warmth of brown butter.

How to Brown Butter (Step-by-Step)

First things first. We’ve got to brown some butter for those fluffy cake layers. Browning butter is a simple technique that transforms ordinary butter into something deeply nutty and aromatic. It’s pretty easy to master, but needs your full attention. I’ll walk you through exactly what to look for at each stage.

Melt the Butter

Place the butter in a light-colored saucepan over medium heat. A stainless pan will make it easy to judge how brown the butter is getting as it cooks. As it melts, the butter will begin to bubble and sputter. This is water cooking off. It’s completely normal, so just let it do its thing.

Watch for Foam and Color Change

After a few minutes, the bubbling will quiet down and the butter will become foamy. Beneath the foam, the milk solids begin to toast and turn golden brown. Stir and swirl the pan occasionally and keep a close eye. Keeping the milk solids moving helps keep them from burning – this can happen quickly.

Remove from Heat and Pour

Once the butter smells nutty and you see browned bits at the bottom, remove it from the heat immediately. Pour it into a heatproof bowl to stop the cooking (leaving it in the hot pan can cause burning).

Let It Re-Solidify

Let the browned butter cool and return to a softened, spreadable consistency before using. You can speed this process in the refrigerator/freezer, or allow it to cool at room temperature over several hours. The color of the browned butter will lighten as it cools and firms. Re-firming the butter allows the butter to cream properly with sugar, just like regular butter.

Helpful Tips for Browning Butter

• _{Use unsalted butter. Salted butter will become too salty as it cooks down.}
• _{Use a light-colored pan so you can see the butter changing color.}
• _{Stay close by. Butter can go from perfectly browned to burnt in no time flat!}
• _{Look for golden brown specks on the bottom. That’s your visual cue that it’s ready.}
• _{Trust your nose. It should smell warm and fragrant; nutty, and almost caramel-like.}

Brown Butter Espresso Cake Layers

Measure the Dry Ingredients

Whisk together the flour, cornstarch, , cinnamon, baking powder, baking soda, and salt in a medium bowl. As for espresso powder, my grocery store carries and I use it often, but I also use and recommend ‘s espresso powder.

You may be tempted to skip the cornstarch, but it’s an important ingredient in this cake. It keeps the crumb fine and soft and helps the layers bake up even and level. That means no leveling or trimming (no waste!).

Cream the Brown Butter and Sugar

Start with the browned butter that has been cooled back to a soft, spreadable consistency. Beat it until creamy, then add the sugar and mix until light and fluffy. Add the oil and vanilla, mixing until smooth. Then add the eggs one at a time, beating well after each addition. Scrape down the bowl as needed to keep the batter evenly mixed.

Alternate Wet and Dry Ingredients

With the mixer on low speed, add the dry ingredients in three additions, alternating with a whole milk and heavy cream mixture. Begin and end with the dry ingredients, mixing just until combined.

Bake the Brown Butter Espresso Cake Layers

Divide the batter evenly between three prepared 8-inch pans and smooth the tops. Bake at 325°F for 30–32 minutes, or until a toothpick inserted in the center comes out clean. As I mentioned earlier, the layers will bake up level, so there’s no need to trim. Turn out on wire racks and cool completely.

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Make the 3-Ingredient Coffee Cream Filling

This easy filling comes together in minutes. Combine heavy cream with instant vanilla pudding mix and espresso powder, then whip until thick and fluffy. It’s light yet stable, and adds a creamy coffee flavor between each layer without being overly sweet.

Make the Espresso Swiss Meringue Buttercream

If you’re new to making Swiss Meringue Buttercream, you can find a video of the process in . It’s more of an intermediate level recipe, but if you follow the video, along with the visual cues in the instructions, you’ll do fine.

For coffee-flavored Swiss meringue buttercream, dissolve instant espresso powder in hot water and let it cool. Prepare the Swiss meringue buttercream using the standard method: warm the egg whites and sugar over simmering water, whip to stiff peaks in a standing mixer, then beat in butter until smooth and silky. Finish by mixing in the reconstituted espresso and vanilla. This addition adds both color and flavor the buttercream.

Add the Cinnamon Stripe Finish

Who else loves a sprinkle of cinnamon on their cappuccino foam? I couldn’t resist a stencil on top, much like the ones the baristas use at my favorite local café. If you’re not a fan of cinnamon you could use unsweet cocoa powder instead.

To get started, apply a thin crumb coat of buttercream to the cake and chill briefly to set. Then add a final smooth layer of buttercream, using a bench scraper or cake smoother for clean edges. This will create a smooth surface – your canvas – on which to stencil.

Wrap a strip of parchment paper around the top edge of the cake. It should stick naturally to the chilled cake. Then, lay 1-inch wide parchment strips across the top of the cake, spacing them evenly. Dust cinnamon over the exposed surface, then carefully lift the strips to reveal the pattern. Finish by dry brushing a little cinnamon around the base of the cake. Optional, but I like it!

Brown Butter Espresso Cake Baking Notes & FAQs

• _{Can I make this espresso cake ahead of time?
  Yes. The cake layers can be baked up to 2 days in advance, wrapped tightly, and refrigerated. You can also freeze them for up to 1 month. The assembled cake keeps well in the refrigerator for 2–3 days.}
• _{Can I use brewed espresso instead of espresso powder in cake?
  I do not recommend this. Espresso powder adds concentrated flavor without adding extra liquid. Brewed espresso would change the consistency of the batter and affect how the cake bakes.}
• _{How strong is the coffee flavor in this cake?
  The espresso is very much there, but balanced. It enhances the brown butter notes.}
• _{Do the cake layers really bake without doming?
  Yes. Cornstarch in the batter keeps the crumb fine and soft and helps the layers bake up level. Also, baking at a lower temperature (325F rather than 350F) helps the layers rise evenly, so there’s no need to trim them before assembling.}

If You Like Coffee Desserts…

Here are a few more of my favorite coffee-forward recipes to try:

• – soft, coffee-infused cupcakes topped with rich mascarpone cream for a classic tiramisu-inspired treat
• – a sophisticated dessert with espresso gelée, espresso-chocolate mousse, and whipped cream, served in cocktail glasses
• – the classic French layer cake with almond sponge, coffee syrup, buttercream, and chocolate ganache
• – a playful, tiramisu-inspired take on the whipped coffee trend, served with crisp savoiardi cookies

This cake has been one of my favorite explorations in pairing flavors – brown butter and espresso, who knew? (Or am I just late to the game?) I can’t wait to try this combination in other desserts. I’ve already jotted down ideas for a brown butter-espresso brownie – YES.

As for this coffeehouse-style cake, it’s one that I’ll make when I want something cozy yet a little refined. Make it as a special treat for your book club, for your next brunch or for a special ending to a dinner party. Above all make it for the coffee enthusiast in your life!

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