Dani's Cookings

  • Recipe Index
  • About
  • Hire Me
  • Learn
  • Bulgarian
menu icon
go to homepage
  • Recipe Index
  • About
  • Hire Me
  • Learn
  • Bulgarian
    • Facebook
    • Instagram
    • Pinterest
  • search icon
    Homepage link
    • Recipe Index
    • About
    • Hire Me
    • Learn
    • Bulgarian
    • Facebook
    • Instagram
    • Pinterest
  • ×
                            Home > Recipes > Layer cake recipes

    Homemade Half Birthday Cake

    By Daniela Lambova · Published: May 6, 2022 · Updated: Nov 12, 2023 · Leave a Comment

    Jump to Recipe Video
    a woman behind a half birthday cake

    Have you ever imagined making a half cake at home? Whether for the 6 months half birthday of a baby or just for fun, this cake is a great project you can accomplish at home! 

    Read on to find out how to make it and how to assemble it.

    a woman behind a half birthday cake

    What is special about this recipe

    If you are looking to make a half cake recipe, I bet you want it to be easy and uncomplicated. If so, you are on the right place! I designed this cake with the purpose to be easy and with minimum possibility for mistakes.

    This is a very simple recipe that will not make you spend too much time in the kitchen.

    The cake base is made of simple ingredients and requires no mixing, just whisking.

    The frosting is a delicious combination of mascarpone and whipped cream. 

    The only challenging part is to assemble the cake but you will find lots of tips and tricks on this.

    a woman taking a slice out of a cake

    What ingredients you need

    For the layers you need very simple ingredients:

    • all-purpose flour 
    • eggs
    • brown sugar
    • vegetable oil: I always prefer EVO oil
    • sour cream
    • baking powder
    • vanilla

    For the frosting you need:

    • mascarpone cheese
    • heavy cream
    • icing sugar
    • almond and vanilla extract
    • dark chocolate: only if you want a chocolate decoration
    steps to make the batter

    How to make the layers

    The layers preparation happens in one bowl.

    Whisk the dry ingredients, including the sugar, and gradually add the wet ones.

    The batter then needs to be divided between two 7 inch/ 18 cm pans and baked for about 30 minutes at 350º F/ 180º C. Let them cool to room temperature.

    steps to assemble the cake

    About the frosting

    The frosting for this cake is a variation of Mascarpone Cream with different flavors than the classic version.

    1. To make it first whip the cream in a large mixing bowl.
    2. The second step is to beat shortly the mascarpone cheese together with the vanilla, almond extract and icing sugar.
    3. Combine the two mixtures using a rubber spatula.

    For a version without powdered sugar, you can use the White Chocolate Frosting for this cake too: it will be a perfect match as well.

    How to assemble

    You need to cut each layer horizontally in two parts. Then you need to halve each vertically as well.

    Assemble the cake by stacking the halves and spreading a bit of frosting between them. Make sure you reserve some frosting for decoration.

    Spread white frosting all around the cake. This will make it look more elegant.

    Please beware that with the below listed quantities a 7 inch/ 18 cm half cake will be quite tall as it will consist of 8 layers. 

    To make it slightly lower and easier to assemble, you can bake the same ingredient quantities in one 9 inch/ 23 cm pan. You might need to increase the baking time in this case!

    A woman with a fork behind a sliced cake

    Decoration

    The chocolate decoration makes this cake perfect both for a boy or for a girl. If you want to make it even more gender specific, you can add blue or pink food dye to part of the frosting: before piping or even before assembling the cake. 

    If you reserved some frosting, even if it is little, you can make a nice chocolate decoration by mixing it with the melted chocolate. Then let it cool for 10-15 minutes in the fridge before piping on top of the cake.

    It will look very nice if you make vertical lines with a bit of the chocolate frosting on the cut side of the cake. Use an offset spatula or a large butter knife and mix the chocolate with the white frosting (check the video and the photos).

    a cake with a slice and a flower in front

    How to store

    Store this cake for 2-3 days in the fridge, covered with plastic wrap or portioned in airtight containers. 

    You can also freeze it for up to 3 months.

    a sliced cake on a plate with a fork

    I hope this recipe gave you an inspiration to make a beautiful and delicious cake for a 6-month old! The design is quite fun so you can use it for any kind of half-birthday celebrations!

    Below I have collected few more birthday cakes which you might find interesting too:

    • Sponge Cake with Fondant Fruits decoration {Video tutorial}
    • Easy Cherry Strawberry Layer Cake with Fondant Flowers
    • Spiderman Themed Healthy Coconut Date Cake
    • Piñata Cake
    • Naked cake for a special birthday
    • Jigsaw Puzzle Cake

    📝 Recipe

    a woman behind a half birthday cake
    Print Recipe Pin Recipe
    5 from 1 vote

    Homemade Half Cake

    Course Dessert
    Prep Time 40 minutes mins
    Cook Time 30 minutes mins
    Servings: 10
    Author: Daniela Lambova

    Ingredients

    For the layers:

    • 1 ½ cups/ 180 g all-purpose flour
    • 3 large eggs
    • 1 cup/ 200 g brown sugar
    • ¼ cup / 80 ml olive oil or other vegetable oil
    • ⅔ cup / 160 g sour cream
    • 2 teaspoon baking powder
    • 2 teaspoon vanilla extract

    For the frosting:

    • 17.6 oz/ 500 g mascarpone
    • ⅞ cup / 200 ml heavy cream, cold
    • ½ cup / 60 g icing sugar
    • 2 teaspoon almond extract
    • 2 teaspoon vanilla extract
    • 2.1 oz/ 60 g dark chocolate, optional
    Prevent your screen from going dark

    Instructions

    Layers:

    • Preheat oven to 350º F/ 180º C. Line two 7 inch/ 18 cm cake pans with circles of parchment paper.
    • In a large mixing bowl combine flour, sugar and baking powder. Whisk until combined.
    • Add the eggs and vanilla and continue whisking. The mixture will become very thick. Add the oil and mix again. Add also the sour cream. At this point you can exchange the whisk with a rubber spatula. Mix gently, until smooth.
    • Divide the batter between the two prepared pans. Bake for about 30 minutes or until the tops are golden brown and a toothpick inserted in the centre comes out clean.
    • Let the layers cool completely before assembling the cake.

    Frosting:

    • In a large mixing bowl whip the cold heavy cream until fluffy but not too thick.
    • In a separate bowl combine mascarpone, icing sugar, vanilla and almond extract. Beat them for few seconds, to combine.
    • Using a rubber spatula combine the two mixtures, adding from the whipped cream to the mascarpone. Mix gently until the frosting becomes uniform.

    To assemble:

    • Using a long serrated knife cut horizontally the cake bases into two layers each. Then stack them evenly and half them vertically. That way you will end up with half 8 layers.
    • Reserve about ½ to 1cup frosting for decoration.
    • Place one half on a serving plate and spread some frosting on top. Cover with another layer. Continue the process until using all the layers. Make sure you have enough frosting to cover the cake all around (apart from the already reserved one).

    Decoration:

    • You can pipe the reserved white frosting directly on the cake using a disposable piping bag and a large star tip. You can also make a chocolate frosting for piping.
    • To do that, melt the chocolate on a double boiler. Use a rubber spatula to add it to the reserved mascarpone frosting.
    • If the resulting chocolate frosting is not thick enough for piping, place it in the fridge for 10-15 minutes.
    • Pipe on top of the cake. Use an offset spatula with just a bit of chocolate frosting to make horizontal lines on the side where the cake is "halved".
    • Let the cake stay in the fridge for 3-4 hours before serving it.

    Notes

    • Store the cake 2-3 days in the fridge covered with plastic wrap or portioned in airtight containers.
    • If you want the cake to be pink or blue, you can colour the frosting with food dye. Add it to the mascarpone, before whipping it or just to the part that you would use for piping.
    • This cake is relatively tall and is not very stable for transportation. If you want a smaller cake, bake it in one larger pan (e.g. 9 inch/ 23 cm) or use half of the ingredients and bake it in one 7 inch/ 18 cm pan. That way you will have 4 half layers.
    Cake Pan Conversions CalculatorAdapt any cake recipe to your pan with this calculator!
    Learn baking basics!Join our community and get a free e-book with my top baking tips

    More recipes

    • creamy chocolate dream cake in a blue metal tin with a scoop aside
      Chocolate Dream Cake
    • a slice of raspberry white chocolate cake with raspberry coulis aside
      White Chocolate Raspberry Cake
    • a slice of peach mascarpone cake
      Peach Chiffon Cake
    • a slice of chocolate cake with frosting, eaten with a fork
      Chocolate Zucchini Cake

    Sharing is caring!

    Comments

    No Comments

    5 from 1 vote (1 rating without comment)

    Leave a Reply Cancel reply

    Your email address will not be published. Required fields are marked *

    Recipe Rating




    This site uses Akismet to reduce spam. Learn how your comment data is processed.

    Daniela Lambova is a professional food and product photographer, cookbook author and educator. Her recipes help people bake delicious and easy desserts at home with confidence. She teaches baking and photography and has had more than 7000 students from around the world.

    More about me →

    Latest Recipes

    • ice cream with raspberries in a bowl on a green plate on red tabletop
      Raspberry Ice Cream
    • strawberry muffins on a plate, one half eaten, with the fruits aside
      Strawberry Muffins
    • Oatmeal Banana Cookies
    • easter bread kukulnik, flat lay with flowers
      Kukulnik
    • ice cream with biscoff spread on top in a small bowl
      Biscoff Ice Cream
    • a slice of revani in a plate in front of the pan with the cale
      Revani

    Footer

    ↑ back to top

    About

    • Privacy Policy
    • Terms & Conditions

    Newsletter

    • Sign Up! for emails and updates

    Contact

    • Services
    • About

    Copyright © 2026 Dani's Cookings

    Rate This Recipe

    Your vote:




    A rating is required
    A name is required
    An email is required

    Recipe Ratings without Comment

    Something went wrong. Please try again.