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    Home » Recipes » Frostings

    German Buttercream (Custard Buttercream)

    October 24, 2021 by Jules 2 Comments

    Jump to Recipe
    German Buttercream (custard buttercream)

    German Buttercream (Custard Buttercream)

    Delicious pastry cream whipped into a frosting to make this silky smooth custard buttercream
    Print Recipe Pin Recipe
    Prep Time 15 mins
    Total Time 15 mins
    Course Frostings & Toppings
    Cuisine German

    Ingredients
     
     

    • 2 ½ cups Whole Milk
    • ½ cup White Sugar
    • 5 Egg Yolks
    • 2 teaspoon Vanilla Extract
    • 3 tablespoon Corn starch
    • 1 ½ tablespoon All-purpose Flour
    • 4 sticks Unsalted Butter
    • ⅓ cup Icing Sugar
    • 2 teaspoon Vanilla Extract

    Instructions
     

    Make the Pastry Cream (Custard)

    • Take two tablespoons of sugar and put into a bowl along with the egg yolks, flour and cornflour – whisk to combine
    • Put the remaining sugar into a suacepan with the milk and vanilla, slowly warm over a medium-low heat
    • When it begins to get warm, drizzle a small amount of warm milk into the egg yolk mixture and whisk, then add a little more, repeat until everything is together in the bowl, then pour the whole mixture back into the saucepan. It's important to do this slowly and gradually so you don't scramble the eggs
    • Keep heating the mixture, whisking constantly until it begins to boil. Boil for one minute or until you see thick bubbles bursting on the surface. Remove from the heat
    • Pass the pastry cream through a sieve into a bowl to make sure there are no lumps. Set aside to cool

    Make the Custard Buttercream

    • Once the pastry cream has completely cooled, place all the butter in your stand mixer and beat with a whisk attachment on high until pale and fluffy (about three minutes)
    • Add the pastry cream one tablespoon at a time until it is all added
    • Add the vanilla and mix in
    • At this stage, taste test the buttercream to see how much sweetness you would like to add. Add the icing sugar a little at a time, whipping after every addition, until the desired sweetness is reached
    • The custard buttercream should be lovely and silky smooth – if it curdles it's usually just a sign that the ingredients were not the same temperature. If this happens, just take the bowl and very gently heat the bottom of it over a bain-marie and whisk until it comes together again (shouldn't take long), then return to the stand mixer and it should be beautifully silky again!
    Keyword custard, frosting, german, pastry cream
    Tried this recipe?Show us! @bonni_bakery

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    Juliane Grasekamp from Bonni Bakery

    Hi, I'm Jules!

    I'm a recipe developer and food photographer, specializing in baked goods - because, yum.

    After running my own bakery in Scotland for 10 years, I packed up my piping bags and moved across the pond. Now I'm sharing all my tried and true recipes from our kitchen!

    Check out my baking blog and try a few recipes.
    Or just lick the screen a little...

    Happy Baking!

    More about me →

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