Lava Cakes

Sugar Cookie Lava Cake

Tender sugar cookie cake layered with warm vanilla cookie lava, sprinkle-coated cookie dough, and silky almond-vanilla buttercream.

Prep

50 min

Bake

22-24 min

Total

3 hr

Yield

One 8-inch three-layer cake

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A note from my kitchen

Before you bake this

This sugar cookie lava cake is joyful from the first look to the first slice. The soft vanilla cake, creamy cookie lava, pastel sprinkles, and little pieces of sugar cookie dough make every layer feel like a celebration.

Vanilla bean paste gives the cake and fillings a round, fragrant vanilla flavor, while a small amount of almond extract brings in that unmistakable bakery-style sugar cookie note. The cookie lava becomes thick and glossy as it cools, then settles beautifully through each slice.

Let the cake layers cool completely and bring the lava to room temperature before assembly. A tall buttercream dam keeps the filling supported, and beginning bakers can use a conservative amount of lava and cookie dough while getting comfortable with filled layer cakes.

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Read this first

The quick notes.

Flavor

Vanilla bean, almond, buttery sugar cookie, and sweet cream.

Texture

Tender cake, silky cookie lava, fluffy buttercream, and soft cookie-dough bites.

Best moment

The first slice, when the vanilla cookie lava settles between the sprinkle-filled layers.

Buttercream

Use butter sticks for a smooth, stable buttercream that pipes and supports the layers beautifully.

Pan check

Pan and oven notes

Even layers

For layer cakes, a scale is the easiest way to divide batter evenly between pans. If you do not have one, eyeballing it is completely fine; just aim for the pans to look as even as possible.

Oven personality

My oven runs very fast, so the lower end of the bake time reflects a fast oven. For layer cakes, sheet cakes, lava cakes, poke cakes, and snack cakes, a slower oven may land near the higher end and, at most, about 5 minutes beyond it. Begin checking at the lower end and use the visual cues in the recipe to decide when the cake is done.

Pan material

I test with Fat Daddio's anodized aluminum pans. For silicone molds, place the mold on a rigid baking sheet before filling so it stays supported as it moves in and out of the oven. Begin checking at the lower end of the recipe's range and allow up to about 5 additional minutes when needed. The cake is ready when the center is set, springs back lightly, and a tester shows a few moist crumbs with no wet batter, or when it reaches the internal temperature listed in the recipe. Let the layers complete their listed pan-rest time before unmolding.

Ingredient notes

Key ingredients

Vanilla bean paste

Vanilla bean paste brings a full vanilla aroma and the pretty flecks of vanilla bean. Vanilla extract is perfectly fine here too and can be used in the same amount.

Almond extract

A little almond extract creates the familiar bakery-style sugar cookie flavor. Begin with the smaller amount because brands vary in strength.

Heat-treated flour

Heat-treat the flour used in the cookie dough and lava to 165°F (74°C), then let it cool completely before using.

Sprinkles

Use sprinkles in any color palette you love. Press them lightly into the cookie-dough pieces so they stay in place during assembly.

A note on vanilla

Why I love vanilla bean paste

I reach for vanilla bean paste because it brings a full, rounded vanilla flavor and those beautiful little vanilla-bean flecks. It is one of my favorite ways to make a familiar bake feel a little more special, but vanilla extract is perfectly lovely here too. Use what you have and what you enjoy.

Brand notes

Brands that matter here

For the ingredients where brand choice changes texture, set, or flavor, these are the tested options I use.

Yogurt

Plain unsweetened yogurt

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

01
Forager Unsweetened Plain Yogurt
02
Silk Plain Unsweetened 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.

01
Silk Original Unsweet
02
Plain unsweetened soy milk
03
Ripple Original
04
Oatly Barista Edition

Butter sticks

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

01
Country Crock Plant Butter Sticks
02
Violife Plant Butter Sticks
03
Earth Balance
04
Miyoko's

Heavy cream

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

01
Country Crock Heavy Plant Cream
02
Silk Heavy Whipping Cream Alternative

Testing notes

Why this works

A streamlined one-bowl cake

The sugars and wet ingredients are whisked together first, then the dry ingredients are added directly to the same bowl. It keeps the method simple and saves a little time while preserving the soft, even crumb.

Let the lava find its texture

The flour thickens the lava as it cools. Let it reach room temperature, then whisk in milk 1 teaspoon at a time only if needed until it is thick, glossy, and slowly pourable.

Build a supported center

Pipe a tall, continuous buttercream dam around each filled layer. Keep the lava below halfway up the dam, then add the cookie-dough pieces so the next cake layer sits evenly.

How it comes together

From Instagram

Watch the reel

Watch the sugar cookie cake, vanilla lava, sprinkle-coated cookie dough, and buttercream come together layer by layer.

Open the reel

Small things that matter

Tips for the best cake

Weigh the batter into the pans for even layers that bake at the same rate.

Use cool cake layers and room-temperature lava during assembly.

If the buttercream softens while you work, refrigerate the bowl and cake briefly until firm, then continue.

For a first filled layer cake, use a modest amount of lava and cookie dough between the layers.

Before you slice

Texture and serving notes

For the softest lava texture, let refrigerated slices stand at room temperature for 20–30 minutes before serving.

A warm, dry knife makes clean cuts through the cookie-dough pieces and filled layers.

Keep it good

Storage

Fridge

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

Fridge

Store extra lava separately in the refrigerator and warm it gently before spooning it over individual slices.

Recipe FAQ

Questions that come up

Can I use vanilla extract?

Yes. Use the same amount of vanilla extract anywhere the recipe calls for vanilla bean paste.

How thick should the lava be for assembly?

At room temperature it should be glossy and slowly pourable. It should settle when spooned while still holding inside the buttercream dam.

Can I make the components ahead?

Yes. Bake and chill the wrapped cake layers, refrigerate the cookie dough, and refrigerate the lava. Bring the lava to room temperature and adjust it with milk only if needed before assembly.

Recipe card

Sugar Cookie Lava Cake

3 hr · Showstopper

Ingredients

Sugar Cookie Cake Layers

300 g (2 1/2 cups) cake flour
10 g (1 tablespoon) cornstarch
2 teaspoons baking powder
1/2 teaspoon baking soda
1 teaspoon fine sea salt
270 g (1 1/3 cups) granulated sugar
135 g (2/3 cup) neutral oil
240 g (1 cup) plain yogurt, room temperature
240 g (1 cup) milk, room temperature
15 g (1 tablespoon) apple cider vinegar
1 teaspoon vanilla bean paste
1/8–1/4 teaspoon almond extract

Sugar Cookie Cookie Dough

170 g (3/4 cup) butter, slightly cool
120 g (1/2 cup + 2 tablespoons) granulated sugar
90 g (3/4 cup) powdered sugar
200 g (1 2/3 cups) heat-treated all-purpose flour, cooled
1 tablespoon vanilla bean paste
1/8 teaspoon almond extract
1/4 teaspoon fine sea salt
Sprinkles, as needed for coating

Sugar Cookie Buttercream

340 g (1 1/2 cups / 3 sticks) butter, room temperature
520 g (4 1/3 cups) powdered sugar, sifted
1 teaspoon vanilla bean paste
1/4–1/2 teaspoon almond extract
1/4 teaspoon fine sea salt
60–100 g (1/4 cup to 1/3 cup + 1 tablespoon) heavy cream, room temperature

Sugar Cookie Lava

70 g (5 tablespoons) butter
80 g (1/3 cup + 1 teaspoon) granulated sugar
40 g (1/3 cup) heat-treated all-purpose flour, cooled
45–60 g (3–4 tablespoons) heavy cream
30 g (2 tablespoons) milk, plus more only if needed
2 teaspoons vanilla bean paste
1/8 teaspoon almond extract
1/4 teaspoon fine sea salt

Instructions

1Make the one-bowl sugar cookie cake. Preheat the oven to 350°F (177°C). Grease and line three 8-inch round cake pans with parchment paper.
2In a large bowl, whisk together the granulated sugar, oil, yogurt, milk, apple cider vinegar, vanilla bean paste, and almond extract until smooth and fully emulsified.
3Add the cake flour, cornstarch, baking powder, baking soda, and salt directly to the same bowl. Whisk gently just until the batter is smooth and no dry streaks remain. Do not overmix.
4Divide the batter evenly between the prepared pans by weight and tap each pan lightly once or twice to release large air bubbles.
5Bake for 22–24 minutes, beginning to check at 22 minutes. The layers are done when the centers spring back lightly and a tester inserted into the center comes out with a few moist crumbs and no wet batter.
6Cool the layers in the pans for 10 minutes, then turn them onto wire racks. Wrap the layers while slightly warm and refrigerate until completely cold before assembly.
7Make the sugar cookie dough. Beat the slightly cool butter, granulated sugar, and powdered sugar on medium speed until creamy and cohesive, scraping the bowl as needed. Keep the mixture creamy without whipping in excess air.
8Add the vanilla bean paste, almond extract, and salt and mix until evenly incorporated. Add the cooled heat-treated flour and mix on low just until a thick dough forms.
9Pinch the dough into small irregular pieces or rounds. Press or roll each piece lightly in sprinkles, then refrigerate for 10–15 minutes, or until firm enough to handle.
10Make the sugar cookie buttercream. Beat the butter for 2–3 minutes, scraping the bowl as needed, until pale, light, and smooth.
11Add the vanilla bean paste, 1/4 teaspoon almond extract, and salt. Mix until combined, then add the sifted powdered sugar gradually on low speed.
12With the mixer running on low, slowly stream in the room-temperature heavy cream a little at a time until the buttercream is silky and holds a sturdy piped dam. Taste and add the remaining almond extract if desired. The buttercream will continue to settle and thicken as it rests.
13Make the sugar cookie lava. Melt the butter in a small saucepan over medium heat. Add the granulated sugar and stir until the mixture is glossy and slightly textured.
14Whisk in the cooled heat-treated flour until evenly incorporated and thickened. Gradually stream in the heavy cream, followed by the milk, whisking until smooth.
15Remove from the heat and whisk in the vanilla bean paste, almond extract, and salt. Let the lava cool completely to room temperature; it will thicken significantly as it cools.
16Before assembly, whisk the room-temperature lava until smooth. If needed, add milk 1 teaspoon at a time until it is thick, glossy, and slowly pourable.
17Assemble the cake. Place the first cold cake layer on a cake board. Spread a thin layer of buttercream over the top, then pipe a tall, continuous buttercream dam around the edge.
18Spoon the room-temperature lava inside the dam, keeping the filling below halfway up the dam. Scatter an even layer of chilled sprinkle-coated cookie-dough pieces over the lava.
19Add the second cake layer and repeat the thin buttercream layer, tall dam, lava, and cookie-dough pieces. Place the final cake layer on top.
20Apply a thin crumb coat and refrigerate the cake for 15–20 minutes, or until firm. Finish with the remaining buttercream, then refrigerate for 20–30 minutes to set the cake.
21Decorate with remaining lava, cookie-dough pieces, and sprinkles. Warm extra lava gently and serve it alongside individual slices if desired.

Keep baking

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