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    Home » Recipes » Bars and Slices » Louise Cake

    Louise Cake

    ★★★★★ from 7 reviews
    11 Comments
    By Erin Clarkson on Jan 29, 2022 This post may contain affiliate links.

    Jump to Recipe·Print Recipe

    Louise Cake is a classic New Zealand Baking recipe, with a buttery shortbread base, a layer of raspberry jam, and a coconut Swiss meringue topping.

    side on shot of louise cake

    Table of contents

    • Louise Cake - a traditional New Zealand Baking Recipe.
    • What is Louise Cake?
    • Components of Louise Cake
    • How to make Swiss Meringue
    • Can the meringue topping be made thinner?
    • Desiccated vs Shredded Coconut
    • Using binder clips in baking
    • FAQ for Louise Cake
    • For more New Zealand Recipes, check out:
    • Recipe for Louise Cake

    Louise Cake - a traditional New Zealand Baking Recipe.

    Hi hi! I am just popping in here to share the updated recipe for my Louise Cake! Louise cake is a classic New Zealand Baking Recipe, and one that was my Grandad's favourite and one I remember baking with my Grandma from a super young age. I figured it was about time to give my recipe a refresh - the original was posted here in 2017!

    What is Louise Cake?

    Louise cake is a super delicious homemade slice (or bar) recipe, made up of a buttery vanilla shortbread base, a layer of raspberry jam, then a coconut meringue topping. The whole thing gets assembled before it is baked, which makes things super easy, although there are a few components to it. You really can't beat baked from scratch.

    This recipe comes from my Grandma's recipe book, however in my research I found that a lot of Louise cake recipes are super, super similar - I am sure they all come from a similar source!

    top down image of louise cake

    Components of Louise Cake

    There are three components to Louise Cake - the butter biscuit base, a raspberry jam middle layer, and the meringue topping. The original recipe used three eggs and three yolks, with the yolks going into the base and the whites into the topping, but I bumped up the meringue quantity to have five whites in the topping to increase the base to meringue ratio.

    This leaves you with two left over egg yolks, but I have a whole bunch of recipes that are a good way to use up egg yolks if you are looking for ideas - these cookies are especially good.

    • Shortbread base. This is a super simple buttery shortbread base, which is cakey and chewy from the egg yolks. It comes together super quickly and the batter is pressed into a lined pan. I keep mine super plain but you can play around with whatever you like - it would be super delicious with some lemon zest added into the louise cake base.
    • Raspberry Jam. I use Raspberry jam here as this is what is 'traditional', but you are welcome to use whatever you like here - another berry flavour or a homemade jam would be delicious as the middle layer of your Louise Cake.
    • Coconut Meringue Topping. I love adding coconut to desserts, and this meringue layer is no different. It is a thick layer of coconut swiss meringue, spread over the base and jam layers before the whole thing goes into the oven.
    • crumbled shortbread base
    • smooth shortbread base

    How to make Swiss Meringue

    The original recipe for Louise Cake uses a French meringue, which involves whipping sugar and egg whites together until thick and glossy, then adding in the coconut and spreading over the Louise Cake base.

    I prefer a thicker meringue, so bumped the meringue up to use five egg whites. However when I tried this with a French meringue, it was way too eggy. So I switched to my old faithful, Swiss meringue. Swiss meringue is made by cooking together sugar and egg whites over a double boiler. This dissolves the sugar, and heats the whites, bringing them to a food safe temperature, which means Swiss meringue can be used in things that aren't going to be baked, and is perfect for torching.

    Swiss meringue is super stable, so it is a great base for a pavlova or a buttercream, and also works perfectly on the top of this Louise cake.

    • Make sure the bowl and equipment are very clean. Meringue works best when there is no fat at all in the bowl - I like to give the bowl and beaters a little wipe with a cut lemon to help remove any grease.
    • Cook together egg whites and sugar. I do this over a makeshift double boiler with a metal bowl. Whisk constantly until the mixture registers 160°f / 70°c on a thermometer. Alternatively you can check to see if it is ready by rubbing some of the mixture between your fingers. You want to make sure you can't feel any grains of sugar. It is going into the oven so heating it to the exact temperature needed isn't as important here.
    • Remove from the stove. Do this carefully - the edges of the bowl will be hot and you don't want to drop hot egg white syrup all over your kitchen (trust me).
    • Whip the Swiss meringue. You can either do this with a hand mixer, which will take about 5 minutes, or you can use a stand mixer. Whip the egg whites until stiff peaks are just starting to form. This gives the mixture some time to cool down, although it is fine if it is still a little warm going onto the Louise cake. We aren't relying on the meringue for structure like we would a pavlova, where whipping it correctly is important.

    Can the meringue topping be made thinner?

    Yes, if you would still like a thinner meringue layer you are welcome to scale back the quantities to use three egg whites rather than five. The process and bake time will be exactly the same. You will just need to scale the sugar back to 170g.

    The original topping recipe was super similar to this but a French meringue method - whip three egg whites until foamy, then add 185g sugar and beat until a stiff meringue forms. Fold through 100g coconut and proceed as written.

    close up shot louise cake with coconut meringue

    Desiccated vs Shredded Coconut

    My original Louise Cake recipe used desiccated coconut, which is very finely shredded coconut. I use it quite a lot in baking - in Anzac Biscuits, Chocolate Crackle, and Peppermint Slice. Is it much finer in texture than shredded coconut, also called 'long thread' coconut.

    I tested the recipe with both kinds of coconut and much prefer the shredded / more coarse version. However, if you only have desiccated on hand, that will work just fine. Just use the same amount by weight as the recipe calls for (this is why we love grams!)

    coconut swiss meringue topping

    Using binder clips in baking

    I use binder clips on the sides of my baking pans, to secure the parchment to the sides of the pan. This stops the parchment from flapping around, and keeps things nice and clean.

    Provided your binder clips are metal, they are fine to go in the oven. Just make sure that whatever you are baking doesn't rise too much so that they get baked in. The Swiss meringue on this Louise cake rises a little. It will just touches the clips, but will sink back down once out of the oven.

    • side shot coconut meringue
    • jam on shortbread base

    FAQ for Louise Cake

    What pan did you use?

    I used a 9" pan, which I double lined with parchment paper to form a 'sling' over the sides to make removing the baked louise cake easy.

    How to do you store Louise Cake?

    Store Louise cake in an airtight container at room temperature. It stores for up to 3 days.

    Can Louise Cake be made ahead?

    Louise cake is best eaten on the day it is made because of the meringue topping, but is still great a day or two after making. It doesn't keep super well so wouldn't be ideal to make ahead.

    Do I have to use Caster sugar?

    I used caster sugar in the initial tests of the recipe, as I needed it to dissolve well in the French meringue. However, because you are now cooking the egg whites together with the sugar which dissolves the sugar, you can use granulated sugar if that is all you have!

    What is All-purpose Flour?

    All-purpose flour is often also called plain flour or standard flour in other countries.

    image of louise cake on paper

    For more New Zealand Recipes, check out:

    • Tan Square
    • Iced Buns
    • Squiggle Slice

    Made this recipe and love it?

    If you made this recipe then I would LOVE for you to leave me a review below to let me know how you liked it! Also, please make sure to tag me on Instagram if you make it!

    A note on salt and oven temperature

    It is important to note the type of salt that is called for in a recipe. I use Diamond Crystal salt throughout my recipes - if you use a different sort of kosher salt or regular table salt you will need to adjust accordingly as some salt is 'saltier' than others. Morton's salt is twice as salty, so you will need half the quantity. Same goes for a regular table salt. I am working to get gram measurements throughout my recipes for salt but still getting there.

    All oven temperatures are conventional unless otherwise stated. If you are baking on fan / convection, you will need to adjust the temperature. An oven thermometer is a great investment to ensure that your oven is the correct temperature.

    Using the double / triple function in the recipe card

    You will notice that there is a '1X' '2X' '3X' button in my recipe card. This can be used for doubling or tripling a recipe. However, please note that this only doubles the ingredient quantities in the ingredients list and NOT in the method. If there are quantities or pan sizes in the method of the recipe (for example weigh out 150g brown butter), you will need to scale this number manually. It will also not change the baking time in the recipe so you will need to adjust this yourself too. It is always a good idea to read through a recipe fully before doubling it just to check this. If you would like to scale this recipe or convert for another pan size, use my calculator!

    Tools and equipment

    For a list of my go-to tools and equipment, I have a post you can refer to here.

    Why is this recipe in grams?

    I post my recipes in grams as it is the most accurate way to bake. Cups are not only inaccurate but they vary in volume worldwide. There is no way for me to provide one cup measure that works for everyone. However, posting in weight fixes this issue. If you would like the recipe in cups you are welcome to convert it yourself via google, but please do not ask me to do it for you as I am not comfortable providing a recipe using a method that I have not tested. Baking with a scale is easy, accurate, and also makes cleanup super simple. Here is the scale that I use if you would like a recommendation! Here's to accurate baking!

    Recipe for Louise Cake

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    image of louise cake on wax paper

    Louise Cake

    ★★★★★ 5 from 7 reviews
    • Author: Erin Clarkson
    • Prep Time: 25 minutes
    • Cook Time: 30 minutes
    • Total Time: 1 hour
    • Yield: Makes 16 square slices 1x
    • Category: Bars and Slices
    • Method: Baking
    • Cuisine: New Zealand
    Print Recipe
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    Description

    Louise Cake is a classic New Zealand Baking recipe, with a buttery shortbread base, a layer of raspberry jam, and a coconut meringue topping.


    Ingredients

    Scale

    Base

    • 115g unsalted butter, at room temperature
    • 110g caster sugar
    • 3 large egg yolks, at room temperature
    • ½ tsp vanilla extract or vanilla bean paste
    • ½ tsp kosher salt
    • 1 tsp baking powder
    • 220g All-purpose flour
    • 160g raspberry jam, or jam of your choice

    Coconut Swiss Meringue

    • 5 large egg whites (about 190g whites)
    • 280g caster sugar
    • ¼ tsp vanilla bean paste (optional)
    • 165g shredded coconut

    Instructions

    LOUISE CAKE BASE

    1. Preheat the oven to 350°f/180°c. Grease and line an 9" (23cm) pan with parchment paper that extends over both sides to form a 'sling'. Secure with metal binder clips if desired. 
    2. In a medium bowl, cream together the butter and sugar with an electric hand mixer on medium-high speed until light and fluffy. Add the egg yolks and vanilla and mix to combine. Add the salt, baking powder, and flour, and mix on low speed until just combined, then finish by hand to ensure the mixture is not over mixed. Alternatively you can use the stand mixer with the paddle attachment to make the base mixture.
    3. Transfer the base mixture into the prepared tin. To do this I find it easiest to crumble the base mixture evenly in the pan, then pat down with my hands or the bottom of a flat measuring cup or drinking glass to ensure it is as flat and even as possible. 
    4. Once the base mixture is smooth, top with the raspberry jam and spread to create an even layer. Leave to sit while you prepare the Swiss meringue topping. 

    COCONUT SWISS MERINGUE TOPPING

    1. Measure the egg whites and sugar into the bowl of a stand mixer or other heatproof bowl. Place over a pot of simmering water, ensuring that the water does not touch the bottom of the bowl. Heat the mixture, whisking often and watching the edges carefully, until it no longer feels gritty when rubbed between your fingers, and it registers at least 160°f / 70°c on a thermometer.
    2. Remove the bowl carefully from the double boiler, and whip with either an electric hand mixer or a stand mixer fitted with the whisk attachment, until the mixture is thick, glossy and white, and is just starting to form stiff peaks, 3-5 minutes depending on what equipment you are using (it took me 5 minutes with a handheld electric mixer). Add the vanilla and mix to combine. 
    3. Add the coconut to the Swiss meringue and fold to incorporate. 
    4. Spread the coconut meringue over the base of the Louise cake and spread evenly. Try not to have any little peaks of meringue poking up as these will bake unevenly in the oven. 
    5. Bake the Louise cake for 30 to 35 minutes, until the meringue is golden brown. The meringue will puff up, then sink down once removed from the oven. Place on a wire rack to cool.
    6. Allow to cool completely before using the parchment paper to remove from the pan and slicing into squares or rectangles using a sharp knife which has been run under hot water then wiped dry. Wipe the knife blade between cuts.
    7. Store leftovers at room temperature in an airtight container for up to three days.

    Keywords: Louise Cake, Swiss Meringue, Raspberry Jam, Coconut, New Zealand

    Did you make this recipe?

    Tag @cloudykitchen on Instagram and use the hashtag #cloudykitchen

    Key Ingredients

    • Coconut
    • Raspberry
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    Reader Interactions

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      If you made this recipe then I would love for you to leave me a review below to let me know how you liked it! If you have recipe questions please feel free to leave them below too!

      Recipe rating ★☆ ★☆ ★☆ ★☆ ★☆

      Comments

    1. Ashleigh

      August 27, 2021 at 4:39 pm

      This was the first thing I ever learned to bake and is my favourite slice to make and eat, full of nostalgia (and vanilla, long live the free pour).
      This recipe is perfect. Soft and tender shortcake base, tangy sweet jam, fluffy coconut meringue top, super well balanced for what is a pretty sweet recipe.
      Another winner.

      ★★★★★

      Reply
    2. Zoe

      August 29, 2021 at 6:13 pm

      I've recently moved cities and haven't been able to get my Louise cake fix as I used to get it from a little home bakery run by three talented ladies in retirement, but this was on par if not better! It was so easy to make and came out just like the photos which doesn't always happen! The base is soft, light, and has a beautiful buttery flavour, with a perfect jam/coconut meringue ratio. Erin's recipes are foolproof every time, thank you!!

      ★★★★★

      Reply
    3. Grace

      January 26, 2022 at 5:16 pm

      I'm from the USA. Is this a New Zealand or Aussie staple? Or possible South African? Do you pronounce this "loo-eaze" or "loo-ee" cake? Excited to make this in the spring. Seems buttery, fruity, and LOVELY!

      ★★★★★

      Reply
      • Erin Clarkson

        January 31, 2022 at 5:47 pm

        Hi hi! It's Louise as in the woman's name! A classic nz staple, it's so good!

        Reply
    4. stacy

      January 30, 2022 at 6:31 am

      Can't wait to make this!

      ★★★★★

      Reply
    5. caribou

      January 30, 2022 at 6:32 am

      looks amazing!

      ★★★★★

      Reply
    6. Lisa P

      January 30, 2022 at 7:39 am

      Hi Erin! Is this sweetened or unsweetened coconut?

      Reply
      • Erin Clarkson

        January 31, 2022 at 5:32 pm

        Unsweetened 🙂

        Reply
    7. Victoria

      February 04, 2022 at 7:57 pm

      The first time I’ve actually made Louise cake and this recipe was not only super easy to make but so so so delicious!! Def will be making it again!

      ★★★★★

      Reply
      • Erin Clarkson

        February 05, 2022 at 7:47 pm

        Yay!!

        Reply
    8. Jen M.

      March 24, 2022 at 10:44 am

      Being from the states, I've never heard of Louise Cake before. I tried your recipe yesterday and it was delicious. I had a difficult time cutting it into clean slices from the meringue cracking on top - though I'm a relatively new baker so I chalk that up to user error. Thank you for the level of detail you put into your recipes, it gives me the confidence to branch out and try new techniques!

      ★★★★★

      Reply

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    Erin Clarkson Cloudy Kitchen

    HI, I'M ERIN

    My recipes range from quick & easy all the way to complex & impressive. I love the science and process of recipe development almost as much as baking itself. I specialize in rigorously tested recipes that are fun, reliable, and accurate.

    More about me →

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