Homemade Quest Protein Bar Recipe!

  • Servings : 1
  • Prep Time : 5m
  • Cook Time : 0m
  • Ready In : 1:5 h

Yes you’ve heard it.. how to make your own Quest bars at home!!

If you’ve never heard of Quest bars then you can read my full review of them [here] but (in my opinion) they are the ultimate ‘clean’ protein bar.. the ingredients list is faultless and they taste AMAZING .. BUT.. they are rather expensive.. which is why I couldn’t wait to make them at home thanks to Simon from The Diet Kitchen! Simon is a genius (hope your head isn’t too big now!!) and you can check out his YouTube video showing you how to make these bars [here] or by scrolling down to the end of this blog post!

I worked out that each of these ‘Homemade Quest Bars’ comes in at just 88p each, as opposed to £2.79, they contain fewer ingredients and the macronutrient stats are really similar; 206 Kcal and 24g protein for homemade vs. 180 Kcal and 21g protein for the real thing.

These bars are made from literally TWO ingredients.. Whey Protein Powder & VitaFiber (plus optional extras.. see below!). If you’ve never heard of VitaFiber before (and I hadn’t either until the other day), it’s a low calorie sweetener and prebiotic fibre which is the SECRET ingredient in many popular protein bars – including Quest Bars! VitaFiber tastes sweet and is poorly digested in the human digestive tract, thus providing fewer calories (1.5 kcal/g) overall.

The bars taste amazing and my taste tester even said ‘did you make these??’ – in a sarcastic tone, meaning ‘wow I’m impressed’ .. (!!). SO, if you want to make your own Quest Bars at home keep on scrolling.. I would love to hear what your favourite combinations are!

Nutrition stats shown are minus any Quest Bar additions!


White Chocolate Protein & Coconut | Cookies & Cream with Nuts | Vanilla Protein with PB & Jam!

White Chocolate Protein & Coconut | Cookies & Cream with Nuts | Vanilla Protein with PB & Jam!



  • 50-55g Vitafiber SYRUP*
  • 30g Vanilla/Chocolate Whey Protein**
  • Optional: 1 tsp cocoa & 1 tsp vanilla or 6g chopped nuts or 5g desiccated coconut or 15g peanut butter & 20g jam***

*VitaFiber SYRUP (NOT the powder!) is the magic ingredient and thanks to MuscleFood it is now available in the UK – use code NIC5 for 5% off! Use 55g if you’re adding a dry ingredient such as nuts/coconut to the mix.

**I used MyProtein in Cookies & Cream, White Chocolate and Vanilla as well as Protein Lifestyle in Smooth Chocolate!

***If you’re adding a liquid such a jam use 5g more protein powder (35g total) – I used a reduced sugar jam and nuts ‘n more peanut butter which is AMAZING – thanks Simon for that recipe combo!


Home made quest bars



Step 1

Add 50g of Vitafiber to a small sauce pan & heat on a medium heat until you start to see bubbles*

Step 2

Remove the pan from the heat (VERY important) and quickly stir in your whey protein and any additional extras e.g. cocoa and vanilla if using a chocolate protein powder. Mix until you get a sticky dough like consistency

Step 3

Mould into a bar shape either using a silicone tray** or by pouring the dough into a plastic sandwich bag and moulding with your hands. Transfer onto baking paper and loosely wrap (or leave in the silicone tray) for an hour in the fridge to firm up!

Step 4



*If you don’t heat the VitaFiber first then the bar will remain very soft even after being chilled in the fridge – heat it up first for a proper Quest Bar texture!

**I have a 5 piece Silicone Bakeware Set that I was bought for Christmas and use it all the time – especially in low fat baking so the goods don’t stick!


My Favourite.. Peanut Butter & Jelly Quest Bar.. 50g Vitafiber, 35g Vanilla Whey Protein, 15g nuts 'n more Peanut Butter and 20g Reduced Sugar Jam

My Favourite.. Peanut Butter & Jelly Quest Bar..
50g Vitafiber, 35g Vanilla Whey Protein, 15g nuts ‘n more Peanut Butter and 20g Reduced Sugar Jam


Homemade Quest Bars

55g Vitafiber, 25-30g White Chocolate Whey with 1 tsp Vanilla topped with Desiccated Coconut!


Vegan Homemade Quest Bar

Vegan Quest Bar .. with Sativa Protein (I added 7-8g more protein to the mix!)


P.S Don’t forget to check out Simon’s video on how to make the Quest bars below!


UPDATE: Thank you to everyone who sends me pictures of my recipes on Twitter & Facebook – here are a selection!!

Homemade quest bars

Homemade quest bars

Homemade Quest Bar

Homemade Quest Bars

Homemade Quest Bars

Quest Bar


*I was provided with a sample of the VitaFiber & nuts ‘n more to try. This blog post contains affiliate links. Please read my disclaimer page for more information as well as for my opinions on protein.

Category: Product #: Regular price:$ (Sale ends ) Available from: Condition: Good ! Order now!
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Nutritional Info

This information is per serving.

  • Calories

  • Carbs

  • Protein

  • Fat


Recipe Comments

Comments (39)

  1. posted by David on June 12, 2014

    Ooh i cannot wait to make these, as new to Quest bars but already a fan. These are even cleaner thanks to you and Simon. Shame I have to wait to order the VitaFiber but it will be worth the wait!

  2. posted by Sabrina on June 17, 2014

    Hi Nic – is it possible to use honey or steevia as a substitute to Vitafiber?! Just wondering as I have those ingredients in my press and can’t wait to make some homemade quest bars! Love this blog btw. Thanks 🙂

    • posted by Nics Nutrition on June 17, 2014

      Aw thank you! Unfortunately not.. the fibre is like a viscous gel and hardens once heated.. not like honey! xx

  3. posted by Daniel on June 27, 2014

    NIIIICE!! Thanks for sharing, Nic 🙂
    Do you also eat protein bars purchased in the store?
    If so, which ones?


  4. posted by Ashleigh on June 27, 2014

    ooh wow what a brilliant idea and easy recipe (not too many things). I just spent £75 yet again on Quest Bars so I’ll be trying these for sure, would save a fortune! They look fab.

  5. posted by zoe on July 19, 2014

    Hiya can you use chrystalised coconut nectar instead of the viterfibre?

    • posted by Nics Nutrition on July 19, 2014

      Sorry no! The vita fibre is the key ingredient in these.. x

  6. posted by Victoria on July 24, 2014

    Hey when you mention about using cocoa and vanilla, is that just the cocoa for choco and vanilla for vanilla or both in both if that makes sense
    Can’t wait to give them a try

    • posted by Nics Nutrition on July 24, 2014

      It’s totally up to you! Either add a tsp of each or both 🙂 I added vanilla & desiccated coconut to mine this morning 🙂 x

  7. posted by Jennifer on July 25, 2014

    How many bars does this recipe make?

    • posted by Nics Nutrition on July 25, 2014

      One 🙂

      • posted by Jennifer on July 26, 2014

        Thank you! I shall give it a go 🙂

  8. posted by izzy on July 27, 2014

    hi nic. i adore your site and YT channel! (just watched your tea video whilst sipping my green tea!). do you think these would work with a soya protein powder instead of whey for a dairy free option, if i was to add the flavour back in with maybe some vanilla/cocoa etc? x

    • posted by Nics Nutrition on July 27, 2014

      Hi Izzy! Yes of course it will work & sure you can add cocoa or vanilla – just add 5g more fiber if you add cocoa or another dry ingredient 🙂 x

  9. posted by Paul on August 1, 2014

    Taste great and very filling!

  10. posted by Rhodri on September 25, 2014

    How long do they keep for? Can I make a batch for a week and keep them refrigerated?


  11. posted by lauren on September 30, 2014


    Love this idea! Struggled to get consistency right do i need to adjust amounts when using 12g of ppb? Tried 55g vita 30g of protein and ppb but not sure consistency seemed right?

    • posted by Nics Nutrition on September 30, 2014

      Hello! You should get like a doughy consistency which you can then mould into shape – add more liquid/powder to get the right consistency.. amounts will vary depending on the protein powder used. Hope this helps! x

  12. posted by Lee steven on December 4, 2014

    Nic how do you work out the carbs for the bar? According to there site 55g of vitafiber = 41carbs 39 fiber

    • posted by Nics Nutrition on December 4, 2014

      Hi Lee! I personally deduct the fibre from the carbs, it’s a tough one though as most of the carbs are not fully digested. Hope this helps x

  13. posted by jane on December 9, 2014

    Love your site
    I want to make coconut quest bars and also
    Peanut butter quest bars
    Im not quite sure the best way on how to make them
    I am wanting to keep calories down as I am losing weight and use them for snacking
    Could you help me I would be greatful

    • posted by Nics Nutrition on December 9, 2014

      Thanks Jane! What about following the recipe? x

  14. posted by Laura on May 22, 2015

    Awesome recipe! I love how simple this is. I’ve been wanting to make my own protein bars, but it always seemed like so much work. But now I see how easy it can actually be! I actually found an alternative to VitaFiber as well called FiberYum that also sells imo-syrup and imo-powder that are less expensive and also corn-free. If you can’t get your hands on VitaFiber or want to try out another brand I would definitely recommend it. You can also buy other ingredients from the company at the same time such as chia seeds, flax seeds, chlorella, barley grass powder, kale powder, pea protein crisps, etc. I think I need to get crafty and make my own bars now!

    • posted by Nics Nutrition on May 22, 2015

      Oooh thanks for the tip Laura!! Happy Quest bar making!!! Nic xx

  15. posted by G on June 5, 2015

    How do you calculate the calories in the syrup? Per the bottle 5 grams = 2 calories. The website says 100 grams = 160 calories. So is it 20 or 80?

    • posted by Nics Nutrition on June 5, 2015

      I personally wouldn’t worry about it as not all of the calories are available for digestion!

      • posted by G on June 5, 2015

        If I’m counting calories (not just carbs/fiber) isn’t a calorie a calorie regardless?

        • posted by Nics Nutrition on June 5, 2015

          Not when it’s not digestible .. similar to xylitol .. some carbs don’t get digested so calories aren’t released!

  16. posted by Taylor on July 19, 2015

    How many bars does this recipe make?

  17. posted by presence on April 23, 2016

    Pllseee heelp! I made them 5 times but they turn out really chewy, is that normal ?i havent tried a quest bar befor so i dont know what texture they are like but it makes a really chewy hard bar , is that normal? When i bake them they blow up! I followed all the instructions carefully! Plse tell me my problem i really want to make a good one

    • posted by Nics Nutrition on April 23, 2016

      Hello! It sounds like you’ve made them right – Quest bars are hard and chewy! If you want them less hard microwave them for 10 seconds before eating with a spoon 🙂 x

  18. posted by Peter on December 29, 2016

    I tried making the bars but when I heat up the vitafiber it hardens very quickly and becomes un-mixable. What should I do?

    • posted by Nics Nutrition on December 31, 2016

      Heat it for less time 🙂 or at a lower temp on the hob x


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