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Keto Mars Protein Bar | Make Your Own

Make your own Keto Mars protein bar. No sugar added and only 2g net carbs per serve. Honestly, you will think you are eating the real thing. Ready in less than hour and such an easy keto candy bar to make yourself.
Before jumping to the recipe please note that the below information contains HOT TIPS for this recipe. We try and answer all your questions to guarantee a perfect keto recipe every time.
Mad Creations Keto Mars Bar #ketochocolate #ketodessert #ketodiet

The Ingredients

There are a couple of specialty ingredients you will have to buy to make this recipe work. Those are Whey Protein Isolate and Sukrin Syrups (US alternatives also include are Allulose Syrup or Vitafiber).

Whey Protein Isolate – I use Isopure WPI as it has a neutral flavour, no carbs and works perfectly in each of my recipes. Substitute a pea protein isolate for dairy-free Mars protein bar or another WPI brand of choice.

Sukrin Syrups Sukrin Australia is the only retailer of Sukrin products. The syrups, both in clear and gold, are a great substitute for honey or glucose syrup and maple syrup or golden syrup.

Vitawerx Milk Chocolate is absolutely delicious! Available in both milk chocolate and white chocolate it is as close as you can get to eating the real thing but with ZERO sugar.

mars bars on green plate

More Recipes To Try

For more keto sweets recipes here are just a few of my favourites. I might just have a “thing” for keto candy recipes after all.

  1. White Chocolate Snickers
  2. Vanilla Nougat Bar
  3. Butter Caramel Nougat Bar
  4. Cinnamon and Walnut Nougat Bar
  5. Mint Slice Biscuits
Mad Creations Keto Mars Bar #ketochocolate #ketodessert #ketodiet

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Sugar free Mars Bar on white plate on green background

Keto Mars Protein Bar

Make your own Keto Mars protein bar. No sugar added and only 2g net carbs per serve. Honestly, you will think you are eating the real thing.
5 from 14 votes!
Prep Time: 15 mins
Cook Time: 25 mins
Total Time: 40 mins
Course: Keto Chocolate
Cuisine: Australian Keto
Diet: Diabetic
Recipe Category: Low Carb
Calories: 61kcal
Author: Megan Ellam
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Servings: 32 serves
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Ingredients

Chocolate Nougat

Caramel

  • 200 g Sukrin Gold Syrup click link for only Australian supplier
  • 60 g butter
  • 80 g thickened cream

Coating

I used a silicone bar mould that is now discontinued. A silicone large icecube tray would be perfect for 32 x 4cm mars bites.

    Instructions

    Nougat

    • Place the syrup and chocolate into a large heat-safe bowl and microwave for 1 minute. Stir to combine and melt chocolate.
    • Combine chocolate mix with WPI and MCT oil and mix until combined. With a gloved hand massage mix until it is no longer grainy.
    • Spoon or break off pieces and push into moulds (will make 32 x 4cm moulds). Set aside.

    Caramel

    • Place all caramel ingredients into a large heat-safe bowl. Heat on high for 3 minutes. Carefully remove from microwave stir mixture and return to microwave. Continue to heat at 1-2 minute intervals until mixture looks very bubbly when you take out and when stir becomes thicker and more viscose. At this point, you will definitely smell a caramel scent.
    • Carefully spoon the hot caramel into your moulds. Refrigerate until set.
    • Melt chocolate and thinly coat each mars bar.

    Notes

    1. At this point there is no keto alternative available in Australia for Sukrin syrup products. I make these recipes with the products because I can easily replicate many recipes that previously would have been created with sugar products. 
    2. Chocolate, for the Milk Chocolate you can use any of the following zero sugar varieties Sukrin Milk, Vitawerx, or Well Naturally. Each of these brands offers a low carbohydrate, no sugar at all, and low-calorie option.
    3. The bars are best stored in an airtight container in a cool dry place. If refrigerated you will find that they are a lot harder, just like the real thing if stored in a fridge or freezer.
    4. All keto sweets should be a sometime food. This recipe could easily be made into smaller portions or drops similar to a Rolo.
    5. Please use caution when making the caramel. The instructions for the microwave are open in time as many microwaves have different wattage. In mine at 750W I find the caramel takes around 8-10 minutes. As it starts to get a little thicker you will notice if you check your spoon after 30 seconds you can gauge what “ball” or setting stage your caramel is at. For your convenience, I have included a video to show you the look and feel the caramel has when it is ready to pour.
    6.  It should be noted that due to Sukrin labels including net carbs on the label this recipe’s carbs are calculated as net carbs per portion.

    Your Own Notes

    Nutrition

    Serving: 1serve | Calories: 61kcal | Carbohydrates: 2g | Protein: 0g | Fat: 6g | Saturated Fat: 2g | Cholesterol: 7mg | Sodium: 14mg | Potassium: 6mg | Fiber: 0g | Sugar: 0g | Vitamin A: 85IU | Calcium: 3mg | Iron: 0.1mg | Net Carbs: 2g
    Tried this recipe?Mention @meganellam or tag #madcreations!

    Megan Ellam is an Australian keto recipes blogger and author of amazing keto cookbooks such as Slow Cook KetoKeto LocoThe Healthy Family Keto Cookbook and Every Day Keto.

    Megan has been following a ketogenic diet since being diagnosed with insulin resistance in early 2017.

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      34 Comments

    • Joanna B says:

      Would caramel work with coconut cream?

    • Fabyolla says:

      5 stars
      Hi, I finally purchased the Isopure Whey Protein Isolate to makes these, only to realise that I don’t have MCT oil. Can you use melted coconut oil instead? Thanks!

    • Dani says:

      5 stars
      My nougat and caramel turned out perfectly! My coating on the other hand is what I’m struggling with πŸ™ how do you melt the chocolate and coat the bars? Thanks for any help πŸ˜„

    • Fiona H says:

      What moulds did you use?

    • Kate Wilson says:

      5 stars
      It has been a very long time since I have eaten a real Mars Bar……these are so easy to make and taste exactly as I remember the real thing.

    • Lynda H says:

      5 stars
      Yum Yum Yum .. the best !! The caramel hits the spot hands down πŸ™ŒπŸ™ŒπŸ™Œ
      Love your recipes Megan ❀️

    • Charlotte says:

      5 stars
      Do you think instead of making the caramel you could use fibre caramel syrup? I’m just thinking out of pure convenience!

    • Deanna Brookhouse says:

      Hi Megan,

      Thank you for your delicious Keto recipes, you are a star! One question can you point me in the direction of a silicon mould for the mars bars? I’m being strict and counting carbs so want the correct size but can’t find a 4cm silicon ice cube tray?

      • Megan Mad Creations Hub says:

        Hi Deanna, I go a silcone mould from House. However if you just get an ice cube tray you can have 2 for 1 if they are just a 2cm tray

    • Robert says:

      5 stars
      These look amazing! Just wondering what syrup to use now? Appears the fiber syrup is no longer available?? Thanks

    • Janine says:

      These look amazing! but something has happened and I cannot see the proper list of ingredients with their weight on the recipe card :< maybe they were links that now no longer exist? I have seen this on a couple of your older recipes that im begging to try out!!

      • Megan Mad Creations Hub says:

        HI Janine, the recipe card is below. you just need to scroll down to it or use the jump to recipe button. The blog post contains the information about the specific ingredients, FAQs, substitutions etc. The recipe card is always at the bottom.

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