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SWEDISH PRINSESSTÅRTA!

Daring Bakers
May 2013

Hi! I’m Korena from Korena in the Kitchen. One of the reasons I started writing a food blog was so I could join the Daring Bakers, so needless to say I am pretty excited to be hosting a challenge. The recipe I’m sharing this month is the Swedish Prinsesstårta, or princess cake. I first discovered this cake when I saw a picture of it posted on Facebook. I can never pass up a pretty cake, and the domed shape and green marzipan covering had me intrigued. And what’s not to like? Layers of light sponge cake, raspberry jam, and vanilla custard/pastry cream, topped with a mound of fluffy whipped cream, covered in green marzipan, and garnished with a marzipan rose. (Don’t worry, if you don’t like or don’t eat some of those components; I’ve given some alternatives). But what I really wanted to know was what did it have to do with princesses and why was it green?

Download printable file HERE

A little research revealed that the original recipe was created in the 1930s by a Swedish home economics teacher named Jenny Åkerström, who taught the three Swedish princesses of the time. She published a series of four cookbooks called “The Princess Cookbooks” and in one of the editions, there was a recipe for “Grön Tårta” (green cake). One story is that this later became known as “princess cake” (prinsesstårta) because the three princesses are said to have loved it so much. Another story is that Ms. Åkerström actually created three very elaborate “princess cake” recipes – a different one for each princess – and that the current version is a simplified combination of all three. That explains the princess connection, but the reason for the cake being green still seems to be a mystery. Today, prinsesstårta is popular in Finland as well as Sweden – so much so that the third week in September is officially Prinsesstårta Week!

And with good reason – this is a delicious cake! The sponge cake is as soft as a feather and despite all the whipped cream and custard, the whole thing is very light and not too sweet. While it may look daunting with the easily-squished whipped cream dome and delicate-looking marzipan coat, it is not at all as difficult and fiddly to assemble as I first imagined. Make sure you watch the video (under Notes) to get a good idea of exactly how to assemble the cake. I promise that the results will be well worth the effort!

Recipe Source:

Blog-checking lines: Korena of Korena in the Kitchen was our May Daring Bakers’ host and she delighted us with this beautiful Swedish Prinsesstårta!

Posting Date: May 27, 2013

Notes: Here is a cross-section diagram to illustrate the layered components of a prinsesstårta:

  • Marzipan
  • Sponge cake
  • Whipped cream
  • Custard/pastry cream
  • Sponge cake
  • Custard/pastry cream
  • Raspberry jam
  • Sponge cake

Some recipes vary in the number and order of the layers, but this is the basic idea. Here’s a great video of how a prinsesstårta is assembled (it’s in Swedish but the visual is very informative, especially for making the whipped cream dome and covering the cake with marzipan).

The sponge cake recipe uses potato starch, which is gluten-free and NOT the same as potato flour. If potato starch is unavailable, cornstarch can be used instead. This article has more information about potato starch, if you are unfamiliar with it. I couldn’t find potato starch so I used cornstarch and it worked very well.

Gel or paste food colouring is best for tinting the marzipan because it doesn’t contain enough excess moisture to make the marzipan sticky. Liquid food colouring will work, but you may have to knead some extra icing sugar into the marzipan to make it less sticky (this is what I did).

Mandatory Items: You must create a dome-shaped cake in the spirit of a traditional prinsesstårta: layers of sponge cake, jam, custard, a mound of whipped cream, and a final layer of sponge cake, covered with marzipan or any other rolled covering (see Variations Allowed). I have provided a marzipan recipe (under Additional Information) if you want to make your own but you may use ready-made/store-bought marzipan.

Variations Allowed: Get creative with the flavour profile of your prinsesstårta! Add flavour to the sponge cake or custard or whipped cream. Use any kind of jam/sauce/spread/purée. Replace the marzipan with chocolate plastique or fondant or any other rolled covering (and it doesn’t have to be green!) You may decorate the top of the cake however you want. As long as it is still “in the spirit” of a prinsesstårta, go for it!

I have provided a prinsesstårta recipe using the traditional flavours of plain sponge cake, raspberry jam, vanilla custard, plain whipped cream, and marzipan, decorated with a marzipan rose. Use these as a base for your flavour variations. If you want to use a different recipe than those provided for one or more components of the cake, that’s fine too.

These videos show some prinsesstårta variations (videos are in Swedish but again, the visual is very informative):

  • Hallonprinsesstårta, or raspberry prinsesstårta, made with custard, whipped cream flavoured with raspberry jam, whole raspberries, and topped with pink marzipan
  • Karl-Gustav tårta, made with custard, sliced banana, a chocolate-covered meringue disc replacing the middle layer of cake, and covered with yellow marzipan
  • Williamtårta, made with custard, poached pear, whipped cream, topped with marzipan, covered with a shiny chocolate glaze, and garnished with toasted sliced almonds

For those who avoid gluten/dairy/eggs, etc, please make changes to the recipes as necessary. Here are some suggested substitutions (please note I have not tested these recipes and can’t guarantee how well they would work in this application):

Suggested marzipan substitutes (again, I have not tested these recipes and can’t guarantee how well they would work in this application):

  • Chocolate plastique/modeling chocolate (here’s a recipe)
  • Fondant (here’s a recipe for marshmallow fondant)
  • “Marzipan” made with hazelnuts, coconut, peanuts, etc, instead of almonds

Any marzipan substitute needs to be quite soft and pliable when rolled out and placed over the cake, as a very gentle hand is required to smooth the coating over the cake to keep it from being squashed.

Preparation time:
Vanilla Custard: 20 minutes hands-on, plus chilling (several hours or overnight)
Sponge Cake: 30 – 40 minutes hands-on, plus 40 minutes baking, plus cooling
Marzipan Covering and Rose: 20 – 30 minutes, depending on your rose-making skills (note: homemade marzipan recipe requires overnight refrigeration)
Prinsesstårta Assembly: 30 – 40 minutes, plus chilling if necessary

Equipment required:

  • one medium and one large mixing bowl/stand mixer bowl
  • balloon whisk
  • medium saucepan
  • fine mesh sieve
  • 9” (23 cm) round springform pan or other deep 9” (23 cm) round pan
  • electric mixer or stand mixer with whisk attachment
  • rubber spatula
  • rolling pin
  • cooling rack
  • long serrated knife
  • off-set spatula or long thin spatula
  • paring knife
  • parchment paper
  • plastic wrap
  • piping bag (optional)
  • cake decorating turntable (optional)

Traditional Swedish Prinsesstårta

Servings: 8 – 10. Makes one 9” round cake.

Vanilla Custard

Ingredients
1 cup (240ml) heavy cream, divided
4 egg yolks from large eggs
2 tablespoons (30 ml) (15 gm) (½ oz) cornstarch
2 tablespoons (30 ml) (30 gm) (1 oz) granulated white sugar
1 vanilla bean, split and scraped (or 2 teaspoons (10 ml) vanilla extract)

Directions:

1.In a medium bowl, whisk together the cornstarch, sugar, and egg yolks. Gradually whisk in ½ cup (120 ml) of heavy cream until smooth.

Meanwhile, in a medium saucepan over medium heat, combine the remaining ½ cup (120 ml) of heavy cream and the scraped vanilla bean and bring just to the boiling point. Remove the vanilla bean pod, leaving behind the seeds. Slowly whisk the hot cream into the bowl with the egg mixture to temper the eggs.

2.Pour the mixture back into the saucepan and cook over medium-low heat, whisking constantly, until it becomes thick like pudding and just comes to a boil. The mixture must hit a boil for the cornstarch to properly thicken the custard, and also to cook out any starchy taste. If it starts to look curdled or lumpy, remove it from the heat and whisk vigorously until smooth, then return to the heat. As soon as it comes to a boil, remove it from the heat. If using vanilla extract, add it now.
(If desired, pass the custard through a fine mesh sieve before continuing.)

3.Pour the custard into a clean bowl and press a piece of plastic wrap directly onto the surface to prevent a skin from forming. Refrigerate until completely cold. Can be prepared a day ahead and kept in the refrigerator.

Sponge Cake

Ingredients
Fine dry breadcrumbs for the pan (such as crushed panko)
4 large eggs, at room temperature
1 cup (240 ml) (225 gm) (8 oz) granulated white sugar
½ cup (120 ml) (70 gm) (2½ oz) all-purpose (plain) flour
½ cup (120 ml) (65 gm) (2¼ oz) potato starch (or cornstarch)
1 teaspoon (5 ml) (5 gm) baking powder
1/8 teaspoon salt

Directions:

1.Preheat the oven to moderate 350°F/180°C/gas mark 4 with a rack in the lower third of the oven. Thoroughly butter a 9” (23 cm) round springform pan, line the bottom with a circle of parchment paper, then butter the paper. Dust the buttered pan with enough breadcrumbs to coat the bottom and sides, just like flouring a cake pan. Set aside.

2.Place the eggs and granulated white sugar in a mixing bowl and beat on medium-high speed with an electric mixer or stand mixer with whisk attachment until the eggs are tripled in volume and very light coloured and fluffy, about 5 minutes. The mixture should fall from the beaters in thick ribbons. Don’t overbeat the eggs – once they form thick ribbons and stop growing in volume, stop beating.

3.Sift the all-purpose (plain) flour, potato starch, baking powder, and salt into a bowl, then sift the flour mixture over the whipped eggs. With a balloon whisk, fold the flour into the eggs until blended, keeping as much air in the batter as possible. Use large, gentle yet confident strokes, bringing batter from the bottom of the bowl to the top. Once mixed, the batter should be quite thick and smooth.

4.Pour the batter into the prepared pan, spread it out evenly, and bake in the lower third of the preheated moderate 350°F/180°C/gas mark 4 oven for about 40 minutes or until golden brown on top, springy to the touch, and a toothpick inserted in the center comes out with a few moist crumbs sticking to it.

Let the cake cool in the pan for a few minutes then run a knife around the edge and remove the sides of the springform pan. Don’t worry if it sinks a bit in the middle.

Invert the cake onto a cooling rack and peel off the parchment paper. If the cake is lopsided, press gently to make it level, then allow it to cool completely before continuing. The cake can be made a day ahead and stored, well-wrapped in plastic, at a cool room temperature.

Marzipan Covering and Rose

Ingredients
10 oz (285 gm) marzipan
Green and yellow food colouring
Icing sugar, for rolling
Red food colouring

Directions:

1.Set aside a small amount of plain marzipan (about the size of a walnut) to make a rose for decoration. Knead the remaining marzipan on a surface dusted with icing sugar until it becomes softer and smooth (the warmth from your hands will help this).
2.Add a small amount of green food colouring (I used 3 or 4 drops of liquid food colouring) and knead it into the marzipan to get the desired shade of green. You might need to add a little more green or yellow food colouring to get the right colour – anything from pastel green to bright spring green (just not neon green!) Wrap tightly in plastic and refrigerate until you are ready to cover the cake (or store as directed on the marzipan package).

3.To make the rose, tint the reserved plain marzipan with a tiny bit of red food colouring to make it pink. Dust your work surface with icing sugar and roll the marzipan into a log. With a rolling pin, roll it out into a long ribbon, about 1” (2 ½ cm) wide and 1/8” (3 mm) thick. Use plenty of icing sugar so that the marzipan doesn’t stick.

Press one long edge of the ribbon with your fingertip to thin it out slightly. Begin rolling up the ribbon, leaving the thin edge loose to form the petals of the rose. Start the roll off tightly, then loosen up as you go, pinching and gathering the marzipan to create creases and ruffles. Gently flare out the petals of the rose with your fingertip.

When the rose is large enough, cut off any remaining marzipan ribbon. Pinch off the excess marzipan from the bottom of the rose and set aside to dry slightly.

Prinsesstårta Assembly

Ingredients
2 cups (480 ml) heavy cream, chilled
granulated white sugar, to taste (scant 1 tablespoon is plenty)
Sponge Cake, cooled
1/3 cup (80 ml) seedless raspberry jam (or regular jam pressed through a sieve to remove seeds)
Vanilla Custard, chilled
Marzipan Covering and Rose
Icing sugar, for rolling and dusting
Optional: melted chocolate, royal icing, or piping gel

Directions:

1.In a large bowl, whip the heavy cream until soft peaks form. Add sugar to taste (keep in mind that the rest of the cake components are sweet, so the whipped cream should be very lightly sweetened at most) and continue whipping the cream until stiff. You want it to be sturdy enough to provide structure to the cake, but not over-whipped enough to make butter. Set the whipped cream aside.

2.With a long serrated knife, slice the sponge cake into three even layers. This cake is very delicate, so do this as carefully as possible. Use a gentle sawing motion to move the knife through the cake instead of trying to pull it through the cake. Use a spatula to help you lift off each layer after you cut it. Set aside the middle layer – this will become the top layer of the assembled cake as it is the most flexible and therefore easiest to bend into a dome over the whipped cream.

3.Place one of remaining layers on a cake board or serving platter and spread it evenly with the raspberry jam. Spread or pipe half the chilled custard over the jam in an even layer, leaving enough room around the edges so that it doesn’t spill over the sides of the cake.

4.Top the custard with another layer of cake. Spread or pipe the remaining custard evenly over it, again leaving some room around the edges.

5.Reserve ½ cup (120 ml) of the stiffly whipped cream. Pile the rest into a mound on top of the custard. Spread it into a thick layer with a thin, flexible spatula or off-set spatula, then hold the spatula at an angle to shape the whipped cream into a dome, piling it up in the middle of the cake as much as possible.

6.Place the final layer of sponge cake (the one cut from the middle of the cake) on top of the whipped cream. Do not press on the top of the cake – instead, gently tuck the edges of the cake layer into the whipped cream, so that they are flush with the cream. This will create a smooth, seamless dome on top of the cake.

7.Gently spread the reserved ½ cup (120 ml) of whipped cream over the entire cake to fill in any cracks and even out the surface. If necessary, refrigerate the cake to firm it up before continuing.

8.Dust your work surface with icing sugar and press the marzipan into a 6-inch (15 cm) disc (knead it a bit to warm it up first). Coat both sides with icing sugar and roll it out into a 14” (35½ cm) diameter circle less than 1/8” (3 mm) thick. Use plenty of icing sugar to prevent it from sticking. Alternatively, you can roll the marzipan out between two wide sheets of parchment paper (still use plenty of icing sugar).
9.Use the rolling pin to drape the rolled-out marzipan sheet over the cake and smooth it around the cake gently with your hands.

If it seems like it wants to fold or buckle around the cake, gently lift and stretch it away from the cake with one hand while smoothing it down with the other.

Trim the excess marzipan from the bottom of the cake with a paring knife or spatula blade.

10.If desired, cut leaves out of the scraps of green marzipan (you can knead in another drop of green food colouring to make the leaves a slightly darker green). Use a paring knife to score vein-like lines, then pinch one end of the leaf to give it some shape.

Dust the cake with icing sugar, then place the marzipan rose and leaves in the middle of the cake.
(You can also use melted chocolate, royal icing, or piping gel to pipe a design on top of the cake, if you wish.)

11.To serve, cut the cake into wedges with a large, sharp knife (run the blade under hot water and wipe it clean after every cut for neater slices). The cake can be served immediately but will be easier to slice after chilling in the refrigerator for at least an hour.

Storage & Freezing Instructions/Tips:

The finished Prinsesstårta should be refrigerated until serving, and any leftovers refrigerated as well. Ideally the cake is eaten the day it is made, but will keep in the refrigerator for a day or so, after which it may lose its structural integrity and aesthetic appeal (but it will still taste good!)

Additional Information:

Other methods for making a marzipan rose (no special equipment needed):

A Google image search of prinsesstårta for inspiration

Incredibly cute Princess Cupcakes

Egg-free Marzipan Recipe

(adapted from Cake Central)

Ingredients
4 oz (115 gm) ground almonds
8 oz (225 gm) icing sugar
¼ cup (60 ml) corn syrup
½ teaspoon (5 ml) almond extract
1 tablespoon (15 ml) lemon juice or water

Directions:

1.Place the ground almonds and icing sugar in the bowl of a food processor and pulse to combine and break up any lumps
2.Add the corn syrup and almond extract and pulse again to combine. The mixture should be quite dry and crumbly still.

3.With the food processor running, slowly drizzle in the lemon juice, stopping as soon as the mixture starts to clump together.

4.Scrape the marzipan out onto a work surface and knead it into a ball. Wrap in plastic and chill overnight in the refrigerator to let the flavours ripen. Makes just over 1 lb.

Disclaimer:

The Daring Kitchen and its members in no way suggest we are medical professionals and therefore are NOT responsible for any error in reporting of “alternate baking/cooking”. If you have issues with digesting gluten, then it is YOUR responsibility to research the ingredient before using it. If you have allergies, it is YOUR responsibility to make sure any ingredient in a recipe will not adversely affect you. If you are lactose intolerant, it is YOUR responsibility to make sure any ingredient in a recipe will not adversely affect you. If you are vegetarian or vegan, it is YOUR responsibility to make sure any ingredient in a recipe will not adversely affect you. The responsibility is YOURS regardless of what health issue you’re dealing with. Please consult your physician with any questions before using an ingredient you are not familiar with. Thank you! Smile

Korena
No Cookbook
semiswede.com

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