Moka Dupont: A French Icebox Cake Recipe (2024)

By Dorie Greenspan

Moka Dupont: A French Icebox Cake Recipe (1)

Total Time
30 minutes, plus at least 3 hours chilling
Rating
4(858)
Notes
Read community notes

When my Paris friend, Bernard Collet, told me about this cake, a favorite for over 60 years in his family, I was expecting something tall, soft, frosted and fit for candles. I expected a gâteau but got an icebox cake: four layers of cookies held together with four layers of frosting. The cake, originally a back-of-the-box recipe, was created for a French tea biscuit called Thé Brun, but I could never find them, so I used Petit Beurre cookies. Lately I can’t find them either, so I use old-fashioned Nabisco Social Teas. You can use whatever cookies you’d like, but they should be plain, flat, square or rectangular. Depending on the size of your cookies, you might need fewer of them; depending on how big or small you make the cake, you might need to juggle the number of layers or the amount of frosting. It’s a recipe made for improvisation.

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Ingredients

Yield:8 servings

  • ½cup/115 grams unsalted butter (1 stick), at room temperature
  • ½cup/100 grams plus 1 tablespoon granulated sugar
  • 1large, very fresh egg (preferably organic, since it will not be cooked)
  • 3ounces/85 grams bittersweet chocolate, melted and cooled
  • ½cup/120 milliliters hot espresso (made fresh or with instant espresso powder)
  • 64Nabisco Social Tea Biscuits (from 1 12-ounce package), or other plain, preferably flat cookies
  • Grated chocolate, for decoration

Ingredient Substitution Guide

Nutritional analysis per serving (8 servings)

840 calories; 52 grams fat; 27 grams saturated fat; 0 grams trans fat; 15 grams monounsaturated fat; 6 grams polyunsaturated fat; 96 grams carbohydrates; 1 gram dietary fiber; 20 grams sugars; 9 grams protein; 449 milligrams sodium

Note: The information shown is Edamam’s estimate based on available ingredients and preparation. It should not be considered a substitute for a professional nutritionist’s advice.

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Moka Dupont: A French Icebox Cake Recipe (2)

Preparation

  1. Step

    1

    Before you start assembling the cake, decide on the size you want. I make a cake that’s 4 cookies wide, 4 cookies long and 4 layers high. Choose a plate to build and serve the cake.

  2. Step

    2

    Make the buttercream frosting: Put the butter in a small bowl, and beat it with a flexible spatula until smooth. Add ½ cup sugar, and beat again with the spatula until it’s thoroughly incorporated. Separate the egg, putting the yolk in a cup and the white in a small bowl. Whip the white until it holds soft peaks using a mixer or, for a short but strenuous exercise, a whisk. Give the yolk a quick whisk, just to break it up, then stir it into the white.

  3. Add the egg to the bowl with the butter, and using the spatula, stir and fold until blended. Scrape in the melted chocolate, then stir and fold again until the frosting is hom*ogeneous. (It won’t be perfectly smooth.) Taste the buttercream, and you’ll feel grains of sugar on your tongue — that’s the way it’s meant to be.

  4. Step

    4

    Pour the hot espresso into a wide, shallow bowl, and stir in the remaining 1 tablespoon sugar.

  5. Step

    5

    One by one, drop each cookie into the espresso, count 3 seconds, flip it over, count 3 seconds more, then place the espresso-soaked cookie on the serving plate. Continue until you have your first layer of cookies in place.

  6. Step

    6

    Using a small offset spatula or a table knife, spread a quarter of the buttercream over the cookies, working the cream to the edges of the cookies. Build 3 more layers of dunked cookies and smoothed buttercream. Top the last layer of buttercream with grated chocolate.

  7. Step

    7

    Refrigerate the cake until the frosting is set, at least 3 hours. The cake can be kept covered in the refrigerator for up to 3 days. (Once the frosting is set, the cake could also be wrapped airtight and frozen for up to 2 months. To serve, simply let it defrost, still wrapped, in the refrigerator for about 4 hours or at room temperature for about 1 hour.)

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858

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Private Notes

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Cooking Notes

Tom Cloyd

I plan to make this, as I've already approached parts of it on other occasions. Regarding the use of a raw egg - yes, I recommend not doing this, especially if one has older folks or kids in the house (especially vulnerable to salmonella, if I recall right). But more to the point, this buttercream has no butter, but it could. Better yet, why not use heavy cream in place of the egg. Just make a ganache - 2 parts chocolate to one part cream. Make more than you need, and store the rest.

jmack

Aquafaba (the liquid drained from a can of chickpeas) is a good substitute for the raw egg.

ColomboCook

The Sri Lankan variation is called Chocolate Biscuit Pudding. It's made with Marie biscuits (another very plain cookie that can be found widely, sometimes called Maria biscuits), with the biscuits very briefly dipped in warm milk, and layered with either buttercream or ganache - ganache is much nicer! A few drops of rum or fruit liqueur in the ganache (we used arrack in Sri Lanka) makes it even better.

Will In Pittsburgh

No butter? The first ingredient is one stick of butter.

dilEmma

I was at a party in the 80's - a potluck of sorts. A beautiful dessert was brought by a beautiful guest, like Grace Kelly beautiful. I asked at what bakery did she find this cream and shaved chocolate confection? She made it! In her sweet voice she said she bought a couple packages of Chips Ahoy cookies, and dipped them in sherry: dunk and place, dunk and place (sip) until you have the round shape and height you want. Layer with homemade whipped cream, shave chocolate on top. 1st X, it worked!

Gaia

I have done this cake with or without eggs, a very similar recipe.I always eat raw eggs (also for many other recipes) as they come from a local swiss farm. I am 70 and never was ill! As for all food, you must know from where it comes....very difficult in supermarkets and in the United States. Come and eat eggs in Switzerland.Bon appétit!

Liz DiMarco Weinmann

My resourceful Italian mom used to make a similar cake with Stella Doro biscuits and a homemade Italian custard - cooked slowly until thickened, with either a lemon peel or vanilla pod. Lined the flat cookies up on a platter side by side, poured a little rum(!) or other liqueur over them, then topped with the cooled and thickened custard. Sprinkle with slivered toasted almonds. It too, ate like a cake: Italian rum cake without a ton of work. YUMMO!

maeve

I'm not about to make this cake, even with the ganache alternative, but I just want to say how much I love Dorie's writing. This article is personal, reflective, and poignant -- despite being about cake. A pleasure!

Jennifer

I agree with the others below concerning the possibility of Salmonella being on ANY egg because the chicken's reproductive, digestive, and urinary tracts, are all one and the same, its cloaca. You could wash the egg before use, and that would eliminate a considerable chance of infection; but, better yet, boil the egg for 30 seconds, and proceed with your recipe!

Mimette

Kedem tea biscuits are a good substitute with a gram or two less sugar than social teas

Dorthe Cph

It's a classic cake here in Denmark, where we call it kiksekage (biscuit cake). Orange peel is a nice supplement.We typically use vanilla biscuits. But it is hard to find them squared here too.Nowadays we tend to use pasteurized eggs: 20 years ago a young boy and his dad both sadly died from salmonella in a kiksekage made with raw egg yolks.https://www.google.com/search?client=firefox-b-d&q=opskrift+kiksekage

Looking forward to making this

My partner is lactose intolerant and vegan butter alternatives is disgusting so I'll do a tofu chocolate cream (blend equal amounts of melted dark chocolate with silken tofu and a little sugar, dead easy). And I love the idea of doing this with a very plain biscuit, so I'll make it with Milk Arrowroots, which I feel like would be our Australian equivalent of the Social Tea. https://www.arnotts.com/products/plain-biscuits/simple-pleasures/milk-arrowroot

Francesca

Ha! Gateau Marie. My mother was making this for us at least 45 years ago. Buttercream had no egg but did have double cream in it. Marie biscuits (plain crunchy slim biscuits or cookies I suppose, I’m European) were dipped in very strong black coffee (not necessarily espresso, but definitely not instant) with a bit of sugar and a generous splash of brandy, or maybe Cointreau. Loved it then, still make it.

nazli

Dorie, This is a treat we also made as a family. I did not know the origins, thanks. One variation is dipping cookies in milk rather than espresso. We also used chocolate pudding rather than buttercream and covered the stack completely (no cookies showing). I also remember incorporating sliced bananas into the middle layer. Try Ulker Tea Biscuits (Turkish). They are thin but not too thin that they break after dipping, and rectangular. I sometimes find them on Amazon.

Anne-Marie

Forgot to mention that in Mexican grocery stores you can find Maria cookies which are very similar to Petit Beurre cookies. They are round, but can be used to make individual 'pastries' on which you can vary the frosting!

patti

My mom made a very similar dessert. She used confectioners sugar for the icing and soft lady fingers instead of cookies. Absolutely delicious!

NonnieRonnie

I hate when people write before they make a recipe, but I have to share that I make something almost the same for Passover - just dunk matzos in sweet Passover wine and do the rest as Dorie does! it really works and you can even make a "seven layer cake" that way.

BJT

I can't find anyplace that still carries Nabisco Social Tea Biscuits. Are they still being made??

Stephen Ward

I have always made this as the Girl Scout cake. A layer of graham crackers, a thin layer of apple sauce, repeated until the cake is as high as you like. Frosted with butter creme and refrigerated. You end with a multi-layer torte. Can be varied by using strained apricot preserves or alternating the wet filling with butter creme. No one ever knows how you made it.

BXR

Made as directed. It was not great although it is easy to make.

Anne-Marie

This was 'the cake' for birthday parties growing up in Flanders (Belgium) in the early sixties. We, however, did not soak the bottom layer of cookies so as to be able to serve a Petit Beurre stack without falling apart. Each square was topped with a chocolate praline or truffle. Brings back great memories!

susan murphy

An Italian nonna hack whips heavy cream with instant vanilla pudding for an approximation of pastry cream. Layer in between the cookies, frost To your own taste. Allow to soften. Happy hack.

Rana D-B

We knew this as Kaltes Hund, (cold dog). My German/Jewish mom made this growing up in the Middle East. This is the first time I’ve seen this recipe in print!!!!

Karin Anderson

This cake is very similar to German Kekskuchen aka Kalter Hund (cold dog), a must at every children's birthday party when I was a child. Instead of butter, we used coconut oil, and the cookies were plain Leibniz-Kekse. Those butter cookies are flat and square (and nowadays available at US supermarkets). We did not soak them, though, but I think that is a nice touch.

Patricia

Bahlsen Leibniz butter biscuits/cookies would do the trick, too.

Judith

This reminds me of the zebra cake I used to make for my son's birthday: chocolate wafer cookies and slightly sweetened whipped cream. Make it any size and shape you like (I once did an undersea volcanic vent!) and the kids will be delighted with the zebra stripes under the whipped cream. It's also not too sweet and quite delicious.

Maggie B

Add a little brandy or other liqueur to the espresso to make it a little more indulgent!

mj cleary

As for the raw egg, it’s about the same as the raw egg in homemade mayonnaise, n'est-ce pas? 10 Kedem biscuits per layer (3 layers) perfectly fit a 35cm x 10cm tart pan.

Hiam

I make biscuit cakes all the time. there is no need for the egg!!!

Rachael

This seems like a great way to use up leftover buttercream and ganache from the freezer!

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Moka Dupont: A French Icebox Cake Recipe (2024)
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