Vanilla Layer Cake

One slice of vanilla bean layer cake with mascarpone filling on a white and green plate.

4.86 from 7 votes

Three layers of vanilla sponge cake, a vanilla milk soak, and vanilla bean mascarpone whipped cream, this Vanilla Layer Cake is a moist and soft and full of vanilla flavor.

Prep Time25

Cook Time45

Chilling1 30

Total Time2 40

Course: Afternoon Kaffee, Dessert

Cuisine: German

Keyword: cake, mascarpone, vanilla, Vanilla bean

Servings:

Calories: 431kcal

Equipment

Stand Mixer
7" Metal Cake Pan

Ingredients

Cake

2 eggs room temperature
175 grams granulated sugar
2 teaspoons vanilla extract
1/2 teaspoon fine sea salt
100 grams full fat greek yogurt room temperature
90 grams oil neutral
50 grams whole milk
150 grams all purpose flour
1/2 teaspoon baking soda
1/2 teaspoon baking powder

Mascarpone Whipped Cream

226 grams mascarpone 8 ounces, cold
80 grams granulated sugar
2 teaspoons vanilla extract
1/2 teaspoon fine sea salt
350 milliliters heavy cream cold, more as needed

Vanilla Milk Soak

80 grams granulated sugar
150 milliliters milk
1 vanilla bean *optional, replace with 2 teaspoons vanilla extract or vanilla bean paste

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Instructions

Vanill Cake Batter

Preheat the oven to 350 F and place a rack in the middle of the oven.
In a medium bowl, whisk together the eggs, sugar, salt, yogurt, milk, and vanilla extract until smooth.
Pour in the oil and whisk again.
Lastly, pour in the flour, baking soda and baking powder.
Whisk once more until combined and smooth.
Scrape the sides and bottom of the bowl.
Spray the cake pan with your baking spray and then pour in the vanilla batter.
Smooth out the cake with a rubber spatula.

Bake the Cake

Bake the cake in the preheated oven for 25 minutes. After 25 minutes, rotate the cake 180 degrees and bake for another 10-15 minutes.
When the cake is finished baking, check it by sticking a toothpick into the center of one section of the cake. If the toothpick comes out clean, the cake is fully baked.
Remove the cake from the oven and leave it to cool for 10 minutes before removing the spring form.
After 10 minutes, run a knife between the cake and the edge of the pan, then remove the springform.
Allow the cake to cool completely before assembling.

Vanilla Mascarpone Whipped Cream

In a medium mixing bowl, add in the cold mascarpone, sugar, vanilla bean insides, salt, and vanilla extract.
Use the paddle attachment to cream the mascarpone mixture on medium speed for 3 minutes until the sugar has fully dissolved. If using a hand mixer, the regular beater attachments will work.
Turn off the mixer and pour in the cold heavy cream.
Switch to the whisk attachment and whip on medium speed until medium stiff peaks form. Do not over whip it, it's better to under whip rather than over whip. If you over whip it, pour in a little extra heavy cream and use a rubber spatula to fold it in.
Set aside until ready to assemble.

Vanilla Bean Milk Soak

In a medium pot, add in the sugar, milk, one vanilla bean plus the insides scraped out into the pot, as well as the empty vanilla pod from the mascarpone whipped cream.
Place over medium low heat and whisk until the sugar has dissolved. Remove from the heat and pour through a sieve into a heat safe bowl to strain out any big vanilla pod pieces.

Assemble

* If you want to fully frost the outside of the cake, level off the domed top first.
Slice the cake into 3 layers with a serrated knife.
Brush the top of the bottom and middle layers, and the bottom of the top layer, with the vanilla milk soak until it has all been used up.
Place the bottom layer of the cake onto a dish or cake stand, ideally lined with parchment for easy transportation.
Scoop one third of the mascarpone frosting onto the bottom layer of cake and use the back of a spoon or rubber spatula to spread it out. Stop about 1/4" from the edge of the cake.
Layer the middle layer of cake over the frosting and press down gently.
Repeat the frosting layer on the middle layer of cake.
Flip the top layer back over and place it soak side down onto the frosting layer.
Either, dust the top of the cake with powdered sugar or scoop the remaining frosting onto the top of the cake. Using the back of a spoon to make loose swoops on top.
*If you want to fully frost the cake, make 1.5 times the frosting. Once layered, place the fridge in the cake for at least an hour to let it firm up before frosting the sides of the cake.
If time leave the cake to firm up slightly for an hour before slicing but it can be sliced and served immediately.

Notes

Tips for making a simple vanilla layer cake

If you want to make a full 9" cake, multiply all the cake ingredients by 1.5 aka instead of 2 eggs, use 3. This cake can be easily scaled so you could also double it and make two thinner 9" cakes.
Triple check that your pan is the correct size and that your baking soda and baking powder haven't expired!
This cake is a great base for so many flavors so don't be afraid to play around with fillings, frostings, and soaks but I do love how simple and elegant this one is.
Use a baking spray with flour in it to spray the bottom of your cake pan, try not to spray the sides as it can make the cake rise oddly. Alternatively, grease the pan with soft butter and line the bottom with a round sheet of parchment paper.
To scrape the vanilla beans out of the vanilla pods, press down wherever they are creased lengthwise to try and remove the crease. Then use a pairing knife to slice the pod in half lengthwise. If possible try to only cut through one layer of pod and not all the way through. Butterfly the now sliced pod open to reveal the vanilla bean. Use the dull edge of the knife to scrape the insides out of the bean.
Be careful not to over whip the mascarpone frosting. It can easily split if you do, so it's better to stop when it is still soft and if needed, whip a little more by hand just before assembling. If you do happen to over whip it, pour a little extra heavy cream in the bowl and use a spatula or spoon to stir it together.
I prefer to soak and assemble the cake on the day it is baked, I find the syrup soaks in better to the layers and it is easy to cut into three layers when the cake has just cooled to room temperature.
Both the mascarpone whipped cream and the vanilla milk soak have vanilla beans in them. But if you don't have any or don't want to splurge, you can either replace them with just 2 teaspoons of vanilla extract or 2 teaspoons of vanilla bean paste.

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