Low Carb Keto Sushi Rolls (cauliflower rice)

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These keto sushi rolls taste just as good as the real thing! This easy low carb cauliflower sushi recipe gives you all the flavors we love about this Japanese treat, only without all the carbs.

Keto sushi rolls with cauliflower rice and salmon on a wooden tray

I’ve been missing sushi so much!

When we go to a Japanese restaurant, there is just not a lot of choice since I’ve gone on a low carb diet. Nearly all dishes contain either masses of rice, or come with sauces that are high in sugar (like teriyaki sauce).

I tend to stick to miso soup, edamame beans and sashimi. However, this is never a truly satisfying meal. Sashimi, as most of you will know, is pieces of raw fish. It’s delicious, but not something you’ll want to fill your stomach with. Plus, it’s really expensive.

Oh, how have I been having sushi cravings!

The problem with regular sushi rolls is – you guessed it – the rice.

Can you eat sushi on keto?

The base ingredient in regular sushi is a vinegar-flavoured sticky rice. Rice is gluten-free, but it is starchy and it will affect your blood sugar levels. 100 grams of cooked sushi rice contains 28.7 grams of carbs (source: Livestrong). Therefore, it is not suitable for the keto diet.

Cauliflower rice sushi 

It was time to make low carb sushi rolls without rice!

Now, of course it would be possible to make no rice sushi – that is, to simply leave out the rice altogether and just fill the nori sheets with fish and vegetables.

But I am a big fan of cauliflower rice (check out my Keto Cauliflower Egg Fried Rice!). And I think the cauliflower rice mix I’m using mimics the texture of sushi rice really well.

The ‘rice’ is gently sautéed to al-dente. This takes away the slightly pungent cauliflower flavour you get with eating it raw.

It is then mixed with mayo or cream cheese to provide the stickiness you get with normal sushi.

Lastly, I’ve added apple cider vinegar (or use white vine vinegar) instead of mirin and roasted sesame seeds for sushi authenticity and a bit of wow.

My keto-friendly cauliflower rice sushi contains just 4.3g net carbs and 301 calories per serving of 6-8 pieces!

How to make keto sushi rolls

all ingredients for keto sushi measured out, from smoked salmon to cauliflower

Here are the ingredients we’re using:

For the rice: cauliflower, oil and vinegar, cream cheese and white sesame seeds

For the filling: smoked salmon or sushi grade raw salmon, cucumber, red bell pepper and avocado

To roll: 2 nori seaweed sheets

To serve: pickled ginger, coconut aminos or soy sauce, wasabi or a spicy mayo such as sriracha mayonnaise.

raw cauliflower rice in a food processor bowl

1.) Place the cauliflower florets in a food processor and pulse using the S blade until they resemble rice.

You may need to do this in several batches to get a good consistency.

sauteeing cauliflower rice in a pan

2.) Heat 1 tbsp of oil in a non stick frying pan or cast iron skillet. Fry the cauliflower on a low/ medium heat for 5 – 6 minutes until al-dente. Remove from the pan and allow to fully cool.

roasting sesame seeds in a pan

3.) Dry fry the sesame seeds in a non stick pan for 4 – 5 minutes on a low – medium heat until golden. Allow to cool.

mixing the sesame seeds and cauliflower rice

4.) Once the rice has fully cooled, place in a bowl and mix with the cream cheese or mayonnaise, vinegar and sesame seeds.

slicing avocado, peppers and cucumber with a knife

5.) Meanwhile, prepare the veggies. Slice the cucumber and pepper into thin strips, discarding the seeds. Slice the avocado.

A nori square topped with cauliflower rice, avocado, cucumber, peppers and smoked salmon on a bamboo mat

6.) Place the nori on a bamboo sushi mat or clingfilm. Add the rice, leaving about 1 cm at the two opposing seal edges. Layer the cucumber, pepper, avocado and smoked salmon and once edge and tightly roll using the mat. Brush the sealing edge with a little water and press to seal. Slice into keto sushi rounds with a sharp knife and repeat for the second roll.

Low carb sushi rolls fillings

As always, there are lots of options depending on your personal preference.

I used smoked salmon for convenience. But you can of course use raw sushi grade salmon or tuna if you prefer. It’s important to use sushi grade fish and NOT raw wild salmon. Sushi grade (i.e. farmed) is required for safety. Which makes me wonder – have you tried my Superb Salmon Ceviche?

Other fish and seafood fillings we have tried are cooked smoked mackerel, cooked prawn and crab.

Don’t buy imitation crab meat as it may contain added sugars or starches.

There’s no added salt in this keto sushi recipe because of the salt in the smoked salmon. But if you are using raw salmon, you can add a pinch of salt to the cauliflower rice.

I chose the Japanese sushi staples avocado and cucumber plus peppers, because I wanted a pop of colour. Other possible vegetable fillings for cauliflower sushi would be cabbage, bean sprouts, courgettes, a little carrot, kale, spinach, watercress, rocket, or even roasted low carb veggies – all finely sliced.

Keto Sushi Top Tips

Ensure the cauliflower rice is fully cooled before mixing with the cream cheese or mayonnaise mix to prevent the nori sheets from shrivelling up.

Ideally, use a bamboo mat to roll. If you don’t have a bamboo roller, use cling film. It will help you make a nice neat and tight keto sushi roll.

Use a very sharp knife to cut and clean your knife between cuts.

For a green sushi why not try replacing the cauliflower with broccoli rice. Just follow the same method but use broccoli florets instead of cauliflower.

I have not yet tried making keto California rolls. California roll is an “inside out” sushi, which means the rice is on the outside and the filling such as avocado, crab, cucumber and spicy mayo is on the inside. My feeling is that cauliflower rice just won’t have the same sticking power as it’s lacking the starch in rice.

a pair of chopsticks lifting a low carb salmon sushi roll

Can you store cauliflower sushi?

This recipe is best enjoyed fresh. I don’t recommend to store keto sushi for longer than a day in the fridge. The cauliflower will start to release liquid after that and the sushi will become soggy.

If you want to save time on the day, consider preparing the cauliflower rice a day ahead. Store it in the fridge in an airtight container. This way, you don’t have to wait for it to cool down and you can assemble everything in one go.

More keto Japanese and Asian low carb recipes

Tried this keto sushi rolls recipe? Give it a star rating below!

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a pair of chopsticks lifting a low carb salmon sushi roll

Low Carb Keto Sushi Rolls (without rice!)

from Sugar Free Londoner

It is possible to make delicious keto sushi rolls without rice! I’ve replaced it with cauliflower rice and come up with some tricks to mimic the sticky texture and taste of sushi rice. Enjoy all the flavour of real Japanese sushi at only 4.3 net carbs per portion!

Prep Time 10 mins

Cook Time 10 mins

cooling time 20 mins

Total Time 40 mins

Course Main Course

Cuisine Japanese

Servings 2

Calories 301 kcal

Note: The servings slider only changes the first amount in each line and not any subsequent amounts. Please make your own calculations where necessary. ***As an Amazon Associate I earn from qualifying purchases.

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Instructions 

  • Place the cauliflower florets in a food processor and pulse using the S blade until they resemble rice.

  • Heat 1 tbsp of oil in a non stick frying pan or cast iron skillet. Fry the cauliflower on a low/ medium heat for 5 – 6 minutes until al-dente. Remove from the pan and allow to fully cool.

  • Prepare the veggies. Slice the cucumber and pepper into thin strips, discarding the seeds. Slice the avocado.

  • Dry fry the sesame seeds in a non stick pan for 4 – 5 minutes on a low – medium heat until golden. Allow to cool.

  • Once the rice has fully cooled, place in a bowl and mix with the cream cheese or mayonnaise, vinegar and sesame seeds.

  • Place the nori on a bamboo mat or clingfilm. Add the rice, leaving about 1 cm at the two opposing seal edges. Layer the cucumber, pepper, avocado and smoked salmon and once edge and tightly roll using the mat. Brush the sealing edge with a little water and press to seal. Slice into rounds with a sharp knife and repeat for the second roll.

Notes

Serves: 2 (2 rolls, 6 – 8 slices per roll)
Hands on time: 20 minutes, Overall time: 40 minutes including chilling time of the cauliflower rice
Net Carbs per portion: 4.3g 
Storage: Best fresh though the rice can be made and stored in an airtight container 1 day ahead.
Use a bamboo rolling mat if possible. If you don’t have one, lay the nori sheet on top of clingfilm.  

Nutrition

Calories: 301kcalTotal Carbohydrates: 13.7gProtein: 15.7gFat: 23.2gSaturated Fat: 6.1gFiber: 9.4gSugar: 3.4g

This post contains affiliate links. If you click on one of these links and purchase a product, I may earn a small commission, at no extra cost to you. Thank you for supporting Sugar Free Londoner.

First published August 2020. Republished in August 2022.





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