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sugar free low carb keto tiramisu

Sugar Free Low Carb KETO Tiramisu. Forget the rest, this is THE BEST! 3g carbs per portion. Jamie Oliver would be impressed!

sugar free low carb keto tiramisu

No humble pie for me today, ladies and gents!!! I present you THE. BEST. TIRAMISU. EVER! And you’ll have 9 servings in total!!!!

I am usually sceptical of recipes claiming to be the best when I come across them on magazines or internet. The best is, after all, a very subjective adjective. Everyone has different tastes, what is good to you may be rubbish to me, what is great to you might taste mediocre to me, what someone might refer to as the best, may be a bit bland, or too sweet, or too salty, or too spicy for someone else. Even MasterChef presenters and food critics sometimes have opposing views about some of the contestants’ dishes, so how can I make this outrageous claim about my sugar free low carb keto Tiramisu?

You have every right to be doubtful. I know I would be.  Believe me, I have followed countless best recipes with great anticipation and excitement, only to be disappointed with the end result. So I forgive you for thinking that this is probably just another recipe that isn’t worth such a prestigious appellation.

My Tiramisu history.

I had been missing Tiramisu since going keto. Badly. It had been my favourite dessert for as long as I can remember. My 100% Italian mum used to make it on special occasions. I remember the excitement in the house whenever she pulled sponge fingers – aka lady fingers out of the cupboard and the mascarpone out of the fridge. We all knew instantly…Yeeey! Tiramisu time! And I remember the first time she let me get involved like it was yesterday. I could only have been 7 or 8 years old, but I still have vivid memories of that cooking session. Thereafter, I always helped her and never got tired of it. I can honestly say, hand on heart, that the food I missed the most when I first moved to London in the 70s was Tiramisu.

You see, those days shops and supermarkets didn’t stock ‘foreign’ foods as much as they do today, and mascarpone was nowhere to be found. Occasionally I would go to an Italian shop in the City and get mascarpone from there, but the cost was so prohibitive that it was a very rare shopping trip indeed. Then supermarkets ‘evolved’ and aisles of specialist foods sprung up everywhere. Suddenly, mascarpone was on the scene, in an accessible way, and my original, Italian Tiramisu dessert was back with a vengeance. Since then, I must have made it hundreds of times and shared the recipe  hundreds of times. Absolutely everyone always loved it and was keen for me to hand over my mama recipe. It was a winner. Every. Single. Time. Without undergoing any modification through the years.

Then came keto and I had to say goodbye to my beloved dessert. Until now…

Because my favourite dessert in the whole wide world has returned and this time it is a sugar free low carb KETO Tiramisu.


sugar free low carb keto tiramisu

Not a substitute for Tiramisu. Definitely not a look-a-like. Absolutely not a taste-a-like.

Before you ask, the answer is no.  It’s not just something that vaguely resembles Tiramisu. Not some pudding with the flavours of cocoa, mascarpone and coffee. There are plenty of rubbish recipes for Tiramisú on the web. My sugar free low carb KETO Tiramisu is the real deal. Made as it should be made.  With sponge fingers, mascarpone, raw eggs, cream, coffee, cocoa, rum and icing ‘sugar’. You prepare it like a normal Tiramisu. It has the ingredients of a normal Tiramisu. You layer it like a normal Tiramisu. Best of all, it TASTES like a normal Tiramisu. Actually, no. Scrap that. I wouldn’t want anyone to compare my creation to an inferior quality, factory packaged Tiramisu labelled as ‘classic’ or ‘traditional’  or even ‘luxury’. It tastes a-ma-zing and exactly like my mum’s ORIGINAL and BEST Tiramisu.

I am so absolutely, totally, super confident about this, that I am ready to challenge Jamie Oliver to taste it and tell me if he could make a better Tiramisu than this. Plus of course this is a healthy version!

Never had Tiramisu because you don’t like coffee? Trust me, you WILL like this king of desserts. All my tasters, who had never tried Tiramisu because of their dislike of coffee cakes, had a go and were astounded that they didn’t just like it, they thought it was the most amazing cake they’d ever had.

Tried Tiramisu in the past and didn’t like it? It must have been an inferior Tiramisu. All shop bought, or even restaurant versions I have ever tasted were a complete let down. Every single one of them. They were either too watery, too coffee-y, too boozy, or too sickly. If you think you don’t like Tiramisu because of one you’ve tasted in the past, you WILL change your mind when you’ve tasted this one.

Still having doubts about my ostentatious claim?  Make it and see for yourself.

How to make my Sugar Free Low Carb KETO Tiramisu.

Ok. So now I’ve hyped it so much, it’s time to get in the kitchen and start making my luscious Italian dessert, so you too can boast!sugar free low carb keto tiramisu

First of all, you need to make a simple sponge cake that you will later cut into fingers. You can follow my sugar free low carb simple sponge cake recipe here. Just use 2 smaller baking tins instead of 1 and reduce the baking time by about 10 minutes, and don’t sprinkle icing sugar on top. I advise you to make the sponge the day before, so it has plenty of time to cool and compact well.

Please contain your excitement! I know you want to make my Tiramisu, like, now. But they say the best things come to those who wait and this is no exception. If you don’t wait, your sponge fingers will soak up too much coffee and you’ll end up with a watery mess instead of a delectable Tiramisu.sugar free low carb keto tiramisu

Once your sponge cake is a day old, cut it into finger-size slices. No further cooking required – unless you count making coffee as ‘cooking’. Mix egg yolk with stevia and powdered erythritol. Add mascarpone. Add whisked cream to mascarpone mix. Incorporate whisked egg white. Make strong coffee and add rum + pinch of stevia. Dip fingers into coffee and place at the bottom of your serving dish. Spoon a generous layer of mascarpone/cream mix. Sprinkle with cocoa. Repeat for 1 or 2 layers depending on the size of your serving dish. Refrigerate and wait.

Yes. WAIT! Again!!!!!sugar free low carb keto tiramisu

Home made Tiramisu is ALWAYS better after being refrigerated for 24 hours and my sugar free low carb keto Tiramisu is no different. DO NOT LISTEN to anyone who says you don’t need to wait that long. They don’t have a clue. A real chef knows that for Tiramisú to taste amazing, all the flavours need time to blend and infuse the sponge fingers. So be patient. Trust me, it will be worth it, I promise.



Nutrition Information
  • Servings: 9
  • Serving size: 1/9
  • Calories: 380
  • Fat: 36g
  • Net Carbs: 3g
  • Protein: 9.3g
Recipe type: Dessert
Cuisine: Ketogenic. LCHF. Low Carb. Grain Free. Sugar Free. Gluten Free.
Prep time: 
Cook time: 
Total time: 
Eat your heart out Jamie Oliver! This sugar free low carb keto Tiramisu would knock your socks off if you tried it! Also grain free and gluten free as a bonus! Unbeatable!
For the sponge fingers:
For the filling and topping:
  1. once the sponge cake has cooled and compacted (I recommend baking it the day before) cut it into finger-size strips (about 1.5cm width) and set aside.
  2. use a spoon to beat egg yolk with powdered erythritol and ½ tsp stevia in a large bowl until you obtain a smooth paste.
  3. spoon in mascarpone and blend well.
  4. whisk cream until very firm and add to mascarpone mix.
  5. whisk egg white until very stiff and add to mascarpone mix.
  6. make 3 espresso coffees, letting the machine run for longer to add more water, or if using a mocha machine just add hot water separately; you should end up with about 210ml total.
  7. add rum and pinch of stevia (use 1 measure of the supplied scoop) to the coffee; stir and allow to cool a little (if too hot the sponge fingers will absorb too much and you'll have a soggy tiramisu).
  8. dip each finger very quickly in and out of the warm coffee mix and place it at the bottom of a serving dish (I used a 19cm x 25cm Pyrex dish); repeat until you have your first layer of coffee infused sponge fingers.
  9. top with ½ or ⅓ mascarpone mix (see notes) and sprinkle cocoa all over the top (use a small sieve).
  10. repeat until you have 2-3 layers in total (see notes).
  11. refrigerate for at least 4 hours, but preferably 24 hours before serving.
Before you build the real layers, do a mock run by laying dry fingers at the bottom of your serving dish and repeating so you know exactly how many layers you will end up with. This way you will know whether to scoop ½ or ⅓ of mascarpone/cream mix onto the fingers and you won't run out.

Make sure you dip each finger just enough to absorb some coffee on both sides. If you've run out of coffee before your layers are complete, you've let the fingers absorb too much!

Metric kitchen scales are an inexpensive yet invaluable gadget to enable accurate measurement of ingredients. Store them upright in a cupboard or over your worktop and they'll only take up a tiny bit of space. Click HERE for the ones I use (UK Link). For U.S. option click HERE.


Your feedback is important to me! Please leave a comment below. If you make this recipe, share a photo on social media with the hashtag #queenketo. Thank you! 🙂 



Thanks for this wonderful recipe! Best Tiramisu ever. I am not sure however, about the macro’s you have calculated. I have added the exact amounts of the recipe in Cronometer. and per 1/9 of the dish it states 413 kcal, 38.7 fat, 10.4 protein (all rather similar to the numbers you quoted) but a staggering amount of 21 net carbs per portion. I like to know how you got to the 3 grams. Believe me, I’d love to go with your facts, but Cronometer is not agreeing with you. 🙂


Hi! Thank you for the lovely comment. Glad you liked it! To calculate macros I use the FatSecret app. I entered 4 eggs, unsalted Kerrygold butter, organic Markal lupin flour, Tesco Ricotta, Tesco double cream, Lovilio mascarpone and Perugina cocoa. I always seek out the lowest carb ingredients – if you use other brands you may well end up with different macros, but you shouldn’t have such a big difference as the one you’re quoting. Having re-checked the entries in the app, I still get 3.1g net carbs per portion (there are 9 portions per Tiramisú).


Hi so happy to see this special treat but being dairy free makes it difficult, has anyone tried it with coconut cream or other dairy free options?


Hi Jo, sorry, I don’t have a dairy free option, but if you find a way to substitute butter (in sponge), cream and Mascarpone, I’d love to know. 😃


Sounds yummy ! Thanks for sharing. Question on the alcohol, would whiskey work ? I can’t have rum, I am allowed whiskey or Scotch.


Hi Petra. You don’t have to add alcohol at all. Whiskey/Scotch would be too overpowering.


O-my, o-my—-have adapted the keto life style and one does get used to making do. But wow, what an awesome treat. I could not wait, (not true, have been waiting for 12 months or so)–so I used my low carb bread from the freezer and cut small fingers for the lady fingers cuz , the coffee vehicle is a must. Divine–tomorrow will make the sponge cake, but for tonight, just thank you for this 5 star treat. You know , making do, or remaining flexible ie( boiled eggs for lunch when pressed for time), is how I stay successful with the keto lifestyle. This makes an excellent food offering more superlative. You are the queen:}


Hi Elizabeth, a huge thank you for taking the time to stop by, and for leaving such lovely comments. I promise you will love this dessert 🤗. Best wishes.

Denise Greenfield

Hi, This looks great! Have you ever used Swerve instead if the sweetners in your recipe? Woukd you still use the 5 tablespoons?


Hi, I’ve never used Swerve, but I understand it is not a ‘bad’ sugar substitute. Given that it’s a 1:1 strength compared to sugar, I would use 4 tablespoons.


I tried this last weekend. It was sooooo goooood! Anybody who misses tiramisu on Keto should try this. Worth the effort and time 🙂

I substituted lupin flour with almond flour since I couldn’t find it easy from where I live (California). Perhaps i can order on internet, but i couldn’t wait… lol Does it make a lot of difference when you actually use lupin flour?


Hi Erin! Love your feedback! And I’m glad you took an alternative route with almond flour 😋. I’ve added a U.S. link to lupin flour in my recent posts, as it’s so difficult to find (go to my Magic Zucchini cakes recipe and you’ll see it). Lupin flour is kind of “earthy” but has a neutral flavour when baked. It creates a smooth texture, no grainy sensation like almond flour and no coconut flour dryness. If you try it you’ll be hooked!


Thanks for your recipe, made it a bit rushed within a 10 hour time frame as opposed to the 2-3 day prep time, but it was amazing anyway. Super rich and decadent without the impending lethargy.

I don’t ever have to go out for tiramisu now! Thank you so much!😁


Lovely to hear, Jon. Thank you so much for the feedback!


thanks so much for this recepie!!! i made it and it is amazaing to say the least!!! wow!!🌷🌷❤

p.s: would u pls delete my last name on my last comment. accidently i put it in:-/ thx


Hi Gesal! I’m very happy that your earlier reservations turned out futile. Thank you for leaving a comment. It means a lot. 🙂 And I’ve already obliged with your request. Come back soon!


will try this weekend:-) the sponge cake looks quiete thick to work for tiramisu?!
hope it works out!
thank you!


You’re right. The sponge ‘fingers’ will be quite dense. But that’s the price we have to pay to avoid grains and gluten in Keto baking. One day I’ll figure out how to make savoiardi biscuits, but until then, this is as close as it gets to the real McCoy. On the plus side, because the sponge is quite dense, it means smaller slices, so it will last longer 😉


it still turned out great! i would recommend to soak a little more in coffe and then there will be no difference. thank u this really helps staying keto!!:-))

Andrea Williams

I”m going to try keto cloud bread in place of sponge cake/ladyfinger biscuits. Making today for hubby’s birthday!


Hi Andrea. Nice thought. I hope it will hold, because cloud bread is very light. Good luck and happy birthday to your husband🍰..I’d love to know how it turns out!


So happy to have found this recipe (and the sponge cake), can’t wait to try it out. I’m fairly new to the Ketogenic lifestyle, and know that delicious desserts will be key to staying away from carbs long-term. Tiramisu is my favorite, and I look forward to creating other treats with the sponge cake base.


Hi Venus!Thank you for leaving a comment. Interactions mean a lot to me! And a huge Welcome to Keto world! We get to eat the best, healthiest, tastiest foods without hunger pains or calorie counting. Aren’t we lucky? If you’re a newbie, you’ll soon find that keto baking ingredients can be expensive and sometimes difficult to source. Fortunately, online supplies usually work out cheaper and better quality than supermarket equivalents, plus buying in bulk saves money in the long run. In case you’re wondering, whenever you see a product link within my posts or recipes, you can be assured that I have tried, tested and selected that item for quality/price, and it is what I use in my kitchen. Have Fun baking!


I will concur that this is A-MAZE-ING!!! I made the sponge with almond flour, and divided the batter into 10 mini bundt cakes. Layered each cake with 1/10th of the cream in individual glass dessert cups as directed. Was hoping for a yummy new treat but was so glad i was sitting down! IT WAS HEAVEN!! Lol, so perfect! Thank you thank you for this one!


Thank you Stephen, feedback means everything to me. Glad you liked it. 😊


OH THANK THE HEAVENS!!! I’m only on week 2 of the keto lifestyle and I NEED SOME TIRAMISU IN MY LIFE. I love that this is the real deal and not with “cocoa” flavored BS. Thank you, thank you. Can’t wait to try this


Hahaha. Don’t you just love keto life??? We get to eat the best food!!!


Just made it yesterday but used a different recipe for the sponge cake because I was missing the flour, but the ladyfingers didn’t absorb the coffee tastes as much as i wanted and were still hard after one night in the fridge…and i didn’t put enough sweetener I think as well but I came pretty close to perfection. Just need to bake the sponge cake less maybe…


Hi there. I can’t really advise you, given that you used a different recipe for the ‘lady fingers’. Same for sweeteners. Providing Erythritol is pure, its strength is constant (at about 70% the sweetness of sugar). Stevia, however, comes in different concentrations, so unless you use the same stevia brand I do, you’ll find less or more sweetness in the end result.


Thank you so much for your answer! I’ve been trying again today, adding more Sukrin Gold 🙂 It’s hard to find good Stevia without aftertaste in Denmark sadly. Can’t wait to see how this one will turn out.


I cant find erythritol in my country, how many gram stevia approximately if i use that instead of erythritol?


Hi Karen, that’s a tricky one! Erythritol has the same sweetness no matter what brand/package you buy. Stevia, on the other hand, comes in different concentrations and some brands actually mix it with erythritol or sugars, so each brand/package has different sweetness strength. That aside, I wouldn’t recommend using stevia on its own, as it can turn food bitter. If Amazon is available to you, you could look for a combination stevia/erythritol, which is a fairly common product.


I love tiramisu😍.So soooo happy I found your website.Thanks.


Wow! My favorite desert in keto version! Never thought it possible! Thanks a million!!!!!!
Soooo happy I found your website!


Yeeeyyy! It’s my favourite too! Let me know how it turns out! And thanks for the kind comments!


Just thought I’d let you know that I’ve added macros to the recipe. 3g carbs for each serving!!!!! 🙂


Also where did you get the 18 x 18 pans? I can’t seem to find them, and is wondering if you could just use two 8 x 8’s? or a 9 x 13?


I bought my pans from Tesco (UK). 18cm equals approximately 7 inches, but 8″x 8″ will do just fine.


Loved this dessert! Also had a hard time finding 18cm square pans. Will use 8″ square next time to make the fingers a bit thinner. I am so used to the light store-bought ladyfingers. May also try whipping the egg whites for the sponge, although the way you have it is so easy and since the sponge compacts overnight it may not be worth the bother. A wonderful introduction to Lupin flour for me! Grateful to you!


Hi Elyce, glad you tried it. It is such an easy and versatile sponge. Of course the fingers will never be light and crispy as ladyfingers are, but the end result is great and so filling you end up eating less. Good on you for giving it a go!


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