sugar free queenketo ice mountain


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Sugar Free Queenketo Ice Mountain: looks complicated but it’s actually quite simple.

Totally indulgent, yet just 4g carbs per serving! Patience is all you need, because the Sugar Free Queenketo Ice Mountain needs refrigerating in order to set properly, preferably overnight. But once it’s ready…oh boy…you will want to eat it all yourself!

On my scale of favourites, 1st place, of course, has to go to my Sugar Free Tiramisú. 2nd place is definitely held by my Sugar Free Queenketo Ice Mountain. My daughter will strongly disagree. She liked this cake so much in its original carb-loaded, sugar-laden original form, that she jumped for joy when I presented her my keto version. As it turned out, it was a success story and she now reckons that the Sugar Free Queenketo Ice Mountain is the best cake in the world. Bless her!

The original Ice Mountain recipe was in an old baking recipe book that I have never owned or even seen. A family member made the cake for a special occasion and we all instantly loved it. It was rich, ultra sweet, moist, creamy, chocolatey and looked amazing. The recipe was passed to me in hand-written form and it was followed to the letter for years. Then we switched to the keto lifestyle and the Ice Mountain recipe was cast aside. It re-emerged a few months ago when a family dinner was organised and I asked my daughter what sort of cake she would like. She screamed, jokingly, “Ice Mountain!”. I replied “Yeah, whatever”.sugar free queenketo ice mountain

But then I had an epiphany and realised that, having mastered my keto basic sponge, it wan’t an impossible task after all. And so the Sugar Free Queenketo Ice Mountain was born. The verdict? Better than the original! Now both my daughter and I bake it regularly and it is always a success.


How to make the Sugar Free Queenketo Ice Mountain

First off you need to bake the sponge. In my customary style, I used lupin flour. I am a huge fan of lupin flour. The flour I use contains 13g carbs per 100g, so it has less carbs than coconut flour and almond flour. If you’ve never heard of lupin, it’s often referred to as a pseudo-grain or a bean, but really, it’s a seed. Sweet lupins are high in essential aminoacids, protein and fiber. They are low GI, grain free and gluten free. Since discovering this flour last year, my baking has reached new heights…and lower carbs!!!!!

Not very easy to find, admittedly. You won’t find it in supermarkets or  health food stores, other than perhaps in high-protein form, which is not the same. Even on the internet, I had a mission finding it. Amazon, which is usually an Aladdin’s cave of impossible-to-find foodstuff, has a very limited choice.

When in stock, I order mine directly from a Luxembourg-based company that has never let me down to date. The lupin flour supplied is of excellent quality, it is certified organic and is very reasonably priced, especially when you buy in bulk to minimise delivery costs.  (for your convenience, see links and discount code in recipe below).

queenketo ice mountain

Warning: as a member of the legume family that includes peanuts, lupin can cause an allergic reaction in some people, but not all, who have a peanut allergy. If you wish to err on the side of caution, I guess you could bake my sponge recipe by substituting lupin flour for extra fine almond flour. However, I haven’t tried this, so I don’t know what the consistency would be like. If you do swap, you need to adjust the carbs count accordingly, as 100g of lupin flour contains only 13g carbs, while fine almond flour  (U.S. option HERE) contains 20g carbs per 100g. If you opt for coconut flour (U.S. option HERE) instead, make sure you use less (maybe half of the quantity of lupin flour indicated), or the result will be too dry.

Apart from using lupin flour instead of wheat flour, sugar free chocolate and erythritol + stevia instead of sugar, I had to rake my brains about the lime juice cordial listed in the original recipe. Cordial is basically a squash full of sugar, so I made my own ‘cordial’ by diluting Tesco’s sugar free lemon and lime One Squeeze in a little water.sugar free queenketo ice mountain

If you fancy preparing a dessert to impress, you simply have to try this. The Sugar Free Queenketo Ice Mountain looks stunning and tastes amazing. 


  • Yield: 12
  • Serving: 1
  • Calories: 370
  • Fat: 33g
  • Net Carbs: 4g
  • Protein: 11g
Recipe type: Dessert
Cuisine: Ketogenic. Low carb. Grain free. Gluten free. Sugar free.
Prep time: 
Cook time: 
Total time: 
A stunning cake that will impress your guests. It might look difficult to make, but it's actually very easy.
For the sponge cake:
For the filling and topping:
Make the sponge:
  1. pre-heat oven to 160C fan (175C static).
  2. whisk ricotta with erythritol and stevia.
  3. add eggs one at a time and whisk again.
  4. add melted butter, pinch of salt, vanilla paste and hand whisk until smooth.
  5. incorporate lupin flour and baking powder.
  6. pour into a buttered silicone mould (about 20cm square) and level it with the help of a spatula or back of a spoon.
  7. bake for 30-35 mins until orange-brown.
  8. let sponge cool down completely, then remove from mould and cut into strips.
Make the filling and assemble the cake:
  1. mix water and lemon+lime concentrate.
  2. reserve 2 chocolate squares; break the remainder into a large bowl and add erythritol, stevia and lemon/lime water.
  3. microwave on low heat until melted (15-20 seconds bursts - stir, repeat).
  4. whisk egg whites until stiff and set aside.
  5. whisk ½ the whipping cream and set aside.
  6. incorporate egg yolks into melted chocolate, then stir in whipped cream, followed by whisked egg whites.
  7. line a 1.5L glass bowl or pudding mould with cling film, allowing for a generous overlap on all sides.
  8. line the bowl with sponge strips and any broken pieces, ensuring all spaces are filled.
  9. spoon a generous amount of chocolate mix all over the sponge.
  10. add layers of sponge and chocolate until the bowl is filled, finishing with sponge at the top.
  11. fold the overhanging cling film over the top and press down.
  12. put a plate over the bowl and then weights over the plate.
  13. refrigerate for 24 hours.
  14. turn the cake out and over a serving dish, peel off cling film and spread the remaining whipped cream all over.
  15. grate the reserved chocolate squares and sprinkle over the cake before serving.
The only way to ensure accurate measurement of ingredients is with Metric Kitchen Scales. Click HERE for the ones I use. For U.S. option click HERE.


Your feedback matters to me! Please leave a comment below. If you try this recipe, you’ll make my day by sharing a photo on social media with the hashtag #queenketo. Thank you! 🙂

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Average rating 5 / 5. Votes: 2


  1. Elyce Bruijnes-Cobb

    Have been looking at this recipe for a while now and Finally found lemon- lime sugarfree cordial here in the Netherlands! What sized pans do you use for this? The same as the tiramisu?

    • Hi Elyce. Thanks for getting in touch. Yes, just bake the basic sponge in the given size tins. It’s an amazing cake. I hope it turns out great for you too!

      • Elyce Bruijnes-Cobb

        Oh! Just noticed this is a bigger sponge recipe than for the tiramisu. Don’t think it will fit in the pans I used for that – or will be very thick. Above you mention silicone mold, but not the dimensions. Hoping to put it all together tomorrow in time to set for Easter. Thanks for your help.

        • Hi Elyce, the silicone mould I use is 20cm square (size now added in the recipe). It won’t matter if what you’re using is a slighly different size, but you may have to bake the sponge a little more (if using a smaller mould) or less time (if using a larger mould|. Just test it with a skewer to make sure it’s cooked. The size of pudding bowl is more important. If your pudding bowl is smaller you’ll have too much sponge and that’s ok, but if you use a larger pudding bowl, you’ll run out of sponge and you’ll end up with the finished cake looking more like a hill than a mountain! (it happened to me once haha). Make sure you slice the sponge thinly and use every single broken piece. Always end with sponge layer at the top. Pressing down so everything compacts overnight is also key to success. I’d love to know how it turns out!!! 🙂

          • Elyce Bruijnes-Cobb

            Thanks so much for your quick response on a holiday weekend! Time to get baking!

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