Layer Cakes

Salted Caramel Macchiato Lava Cake

A three-layer vanilla espresso cake with salted brown sugar caramel lava and fluffy vanilla latte buttercream.

Prep

55 min

Bake

28-34 min

Total

2 hr 45 min

Yield

One 3-layer 8-inch cake

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Surprise me

A note from my kitchen

Before you bake this

This salted caramel macchiato lava cake is soft vanilla espresso cake, fluffy latte buttercream, and a deep brown sugar caramel that spills through the center when you cut the first slice.

The coffee flavor is warm rather than bitter, the caramel is properly salted, and vanilla bean paste ties the whole cake together.

It is dramatic enough for a celebration, but every part can be made ahead so assembly still feels manageable.

Save me a slice ;)

Thinking out loud

A Coffee Shop Favorite

The cravings, questions, and running commentary behind this bake.

When my lava cakes started taking off, I spent a lot of time thinking about the flavor combinations people already love. That reminded me of my days working at Starbucks a long time ago, when nearly every other drink seemed to be a caramel macchiato. Assuming it is just as popular now as it was then, this cake became the next obvious addition.

Salted caramel and sweet coffee flavor are almost impossible to get enough of. The sweetness, salt, and slight bitterness of the coffee balance one another beautifully, making every bite rich without feeling heavy. Popular coffee drinks deserve to become cakes more often - and this one makes a very convincing case.

Read this first

The quick notes.

Flavor

Vanilla bean, espresso, brown sugar caramel, and sea salt.

Texture

Tender cake layers, fluffy buttercream, and glossy caramel lava.

Best moment

Cutting the first slice and letting the salted caramel center spill out.

From this recipe

Tested notes

The caramel should be completely cool and spoonable before assembly. If it feels loose, give it more time to cool; if it has become too firm, let it warm slightly at room temperature.

Use a kitchen scale to divide the batter evenly between the three pans for level layers.

Keep the caramel inside a sturdy buttercream dam and avoid overfilling the layers.

Ingredient notes

Key ingredients

Instant espresso powder

Espresso powder gives the cake and buttercream a clear coffee flavor without adding too much liquid. Dissolve it before mixing so there are no bitter pockets.

Cake flour

Cake flour keeps the three layers soft and tender while still giving them enough structure for stacking and filling.

Light brown sugar

Brown sugar gives the caramel a deeper, rounder flavor than a traditional white-sugar caramel and makes the filling feel especially macchiato-inspired.

Vanilla bean paste

Vanilla bean paste runs through the cake, caramel, and buttercream, bringing the coffee and caramel together without overpowering either one.

Fine sea salt

Salt is what keeps the caramel from becoming one-note sweet. Taste the cooled caramel and adjust only if needed before assembling.

Optional ingredient notes

Use what you have on hand

Curious what I used? These are the exact products I reached for while developing this recipe.

Yogurt

Plain unsweetened yogurt

Plain unsweetened yogurt adds moisture, acidity, and body so the crumb bakes up tender without tasting tangy.

Forager Unsweetened Plain Yogurt

Milk

Milk affects how smoothly a batter, filling, or frosting comes together. Soy milk and Ripple tend to emulsify well because their protein and fat help create a creamy, cohesive finish.

Silk Original Unsweet

Butter sticks

Use butter sticks for buttercream and fillings that need to hold their shape.

Country Crock Plant Butter Sticks

Heavy cream

Heavy cream affects silkiness, looseness, and how buttercream or filling sets after chilling.

Country Crock Heavy Plant Cream

Testing notes

Why this works

Why the espresso is dissolved first

Dissolving espresso powder in warm liquid distributes its flavor evenly and prevents dry granules from leaving bitter spots in the cake or buttercream.

Why the caramel cools completely

The caramel thickens as it cools. At room temperature it should be glossy and spoonable, but sturdy enough to stay inside the buttercream border.

Why the buttercream border matters

A tall, continuous buttercream border creates a dam around each layer so the caramel stays in the center until the cake is sliced.

Why the crumb coat chills

A short chill locks loose crumbs in place and firms the filled cake before the final coat of buttercream goes on.

How it comes together

Salted Caramel Macchiato Lava Cake: batter pans

Salted Caramel Macchiato Lava Cake: adding flour

Salted Caramel Macchiato Lava Cake: frosting layer

Salted Caramel Macchiato Lava Cake: buttercream dam

Salted Caramel Macchiato Lava Cake: caramel fill

Salted Caramel Macchiato Lava Cake: frosted top

Salted Caramel Macchiato Lava Cake: caramel drizzle

From Instagram

Watch the reel

Watch the vanilla espresso layers, latte buttercream, and salted brown sugar caramel come together into a lava cake.

Open the reel

Small things that matter

Tips for the best cake

Let the espresso mixture cool slightly before adding it to the cake batter.

Whisk the flour into the wet ingredients only until the batter is smooth and no dry streaks remain.

Cool the cake layers and caramel completely before assembling.

Pipe a tall, unbroken buttercream border around each layer before adding caramel.

Do not overfill the center; save extra caramel for the top or for serving with individual slices.

Salted Caramel Macchiato Lava Cake: slice plated

Before you slice

Texture and serving notes

For the best flavor and texture, let the chilled cake sit at room temperature for 30-45 minutes before serving.

Serve extra salted brown sugar caramel alongside the cake if you have any left.

For the most dramatic lava effect, cut the cake while the caramel is cool-room-temperature and spoonable rather than refrigerator-firm.

Keep it good

Storage

Fridge

Store the assembled cake covered in the refrigerator for up to 4 days.

Serve

Bring the cake or individual slices toward room temperature before serving so the buttercream softens and the caramel loosens.

Airtight

The cake layers and caramel can be made a day ahead; wrap the cooled layers well and refrigerate the caramel in an airtight container.

Recipe FAQ

Questions that come up

How do I keep the salted caramel from leaking out between the layers?

Cool the caramel completely, pipe a tall and continuous buttercream border, and keep the caramel inside that border. Do not overfill the center.

Can I make Salted Caramel Macchiato Lava Cake ahead?

Yes. Make the cake layers and caramel a day ahead, then assemble and frost the cake when you are ready. Store it covered in the refrigerator.

How strong is the coffee flavor?

The espresso is noticeable but balanced by vanilla, brown sugar caramel, and buttercream. It tastes like a caramel macchiato rather than a strongly bitter coffee cake.

Why did my caramel become firm in the refrigerator?

That is normal. The butter and sugar firm as they chill. Let the cake sit at room temperature for 30-45 minutes before serving to soften the filling again.

Can I make this recipe gluten-free?

I have not tested this recipe with gluten-free flour, so I cannot guarantee the same texture, rise, or structure. If you would like to experiment, a cup-for-cup (1:1) gluten-free baking blend intended to replace all-purpose flour is the best place to start. Results may differ from the recipe as written.

Can I use all-purpose flour instead of cake flour?

Yes, but the cake will have a slightly sturdier, less fine crumb. You can replace the cake flour with the same amount of all-purpose flour by weight. For a closer substitute, use 105 g all-purpose flour plus 15 g cornstarch for every 120 g cake flour called for, whisking or sifting them together well. If the recipe separately lists additional cornstarch, keep that amount in the recipe too; this mixture replaces only the cake flour.

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