The easiest (and tastiest) keto Big Mac Sauce. A firm favourite in my house and with loads of our readers! Make it today with just a few standard pantry ingredients.
Keto Big Mac on a plate.

How To Make It

Why You Will Love This Recipe

What is not to love when you can make your own Big Mac Sauce at home! Bonus that it is also sugar-free!

Low carb – the almond flour pie crust has less than 1g net carbs per serve.

7 ingredients – Made with everyday ingredients found in most pantries.

Quick and easy – ridiculously easy to mix. Ready in less than 10 minutes.

Keto Vegan and Paleo. Use plant-based mayonnaise to make vegan Big Mac sauce.

Thermomix friendly – so easy in a ThermomixMagimix or food processor in no time and with easy cleanup. It comes together so quickly.

Keep reading for more details on the ingredients, substitutes and step by step instructions on how to make them.

Keto Big Mac Sauce Ingredients

Keto Big Mac Sauce ingredients in small bowls.

It takes just 7 ingredients to make our very popular copycat Big Mac Sauce recipe.

Scroll to the bottom of this post for the amount of each ingredient needed to make our copycat Big Mac sauce recipe.

  • Mayonnaise – I recommend making your own. Many supermarket brands include seed oils and sugar. Using a keto mayonnaise recipe will eliminate any “nasties”.
  • Dill Pickles – I use Polski Ogorki dill pickles. They are sugar-free. Check the labels of any shop-bought brands to make sure they have no sugar added.
  • Yellow Mustard – I use yellow American mustard or Australian mustard. Check the brands you use for any additives.

Step By Step Instructions

Mayonnaise with pickles in a bowl.

STEP 1 – Add all the ingredients to a mixer bowl

If mixing with a Thermomix or Magimix add wall the ingredients to the mixer. The pickles can be roughly chopped.

Mixed big mac sauce in a blue bowl.

STEP 2 – Stir until combined. Transfer to an airtight jar and store in the fridge until required.

Place all the ingredients into the mixer; mix 7 sec/speed 5. Store in an airtight jar in the fridge for up to 1 week.

Keto Cookbooks & Ebooks

Hot Tips & FAQs

This Keto Big Mac Sauce could not be any easier to make. Here are just a few tips to help.

Is Big Mac Sauce keto?

The original McDonalds Big Mac Sauce recipe is higher carb than this version. It does include sugar in the ingredients.

Can I freeze Big Mac Sauce?

No. While it may look fine when frozen the mayonnaise will split when thawed.

Can I use another vinegar?

Sure. Use any vinegar you prefer.


Store in an airtight jar for up to 1 week in the fridge.

Can I make Big Mac Sauce in the Thermomix?

Sure can. I have included Big Mac Sauce Thermomix instructions in the recipe card below.

More Recipes To Try

Keto Big Mac Sauce is a great keto condiment recipe. It works perfectly with so many other family friendly keto dinners.

  1. Keto Big Mac Salad use this keto special burger sauce in this super simple keto salad recipe.
  2. The Best Keto Beef Burger serve this healthy big mac sauce with our easy keto beef burger. A great family-friendly dinner.
  3. Keto Onion Rings – a quick and easy keto snack recipe in under 20 minutes.
  4. The Best Keto Taco Salad with Ground Beef – one of our best ground beef recipes goes fabulously with our keto special burger sauce.
  5. Keto Wraps | Easy Low Carb Wraps – quick and easy keto wraps are perfect to serve with this quick keto dressing.
  6. Keto Coleslaw | Sugar-Free Creamy Dressing – swap the dressings for a keto salad the whole family will love.
Keto tortillas with a beef burger and keto big mac sauce.

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Keto Meal Plans & Support
Keto tortillas with a beef burger and keto big mac sauce.

Keto Big Mac Sauce |

The easiest (and tastiest) keto Big Mac Sauce. A firm favourite in my house and with loads of our readers! Make it today with just a few standard pantry ingredients.
5 from 57 votes!
Prep Time: 5 minutes
Cook Time: 0 minutes
Total Time: 5 minutes
Course: Condiment, Dressing
Cuisine: American, Australian
Diet: Gluten Free
Recipe Category: Low Carb
Calories: 130kcal
Author: Megan Ellam
Servings: 6 serves
Tap or hover over number to scale ingredients
Print Pin Save Rate





  • Place all the ingredients into a small bowl and mix until combined. Store in an airtight jar in the fridge for up to 1 week.


  • Place all the ingredients into the mixer; mix 7 sec/speed 5. Store in an airtight jar in the fridge for up to 1 week.


Make your own mayonnaise or make sure you use a sugar-free one.
Dill pickles or gherkins can be used. Make sure they are sugar-free.
I use yellow American-style mustard but an Australian or seeded mustard can be used.
Use smoked or sweet paprika.
Store in an airtight jar for up to 1 week.
The Big Mac sauce can be used as part of a salad like our Big Mac Salad, Smoky Chicken Salad or Taco Salad.
It is also great in casserole or coating chicken and baking. Yummo!

Your Own Notes


Serving: 1serve | Calories: 130kcal | Carbohydrates: 1g | Protein: 1g | Fat: 14g | Saturated Fat: 2g | Cholesterol: 8mg | Sodium: 193mg | Fiber: 1g | Sugar: 1g | Vitamin A: 53IU | Calcium: 2mg | Iron: 1mg | Magnesium: 2mg | Net Carbs: 0g
Tried this recipe?Mention @meganellam or tag #madcreations!

Megan Ellam is an Australian keto recipes blogger living in Thornton, NSW. She is the 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. After a long cooking career Megan simply swapped her “foodie focus” to easy keto recipes. Her keto Australian recipes all include both metric and US customary measures so that everyone can enjoy them.

Megan also makes all the recipes suitable for conventional cooks, Thermomix recipes and thermal cookers e.g. Magimix recipes.

Share This Recipe

57 responses to “Keto Big Mac Sauce {Vegan + Paleo Options}”

  1. Andrea

    5 stars
    this big mac sauce is epic! so tasty and easy to make too. love it!

    1. Megan Mad Creations Hub


  2. Julia

    5 stars
    What an amazing sauce, we’ve been making so many sandwiches as of late and this was a fun one to try in lieu of our usual sandwich condiment.

    1. Megan Mad Creations Hub


  3. Swathi

    5 stars
    I like this keto version of big mac sauce. delicious need to give this try kids will love it.

    1. Megan Mad Creations Hub

      I hope everyone loves it

  4. Jeannie

    5 stars
    This was great with only 4 ingredients to use. I love it on our burgers and have been a staple too. Thanks for the recipe.

    1. Megan Mad Creations Hub

      You are very welcome

  5. Peggy

    5 stars
    Thanks for this recipe! Now excuse me while I make a triple batch to slather on all my meals…

    1. Megan Mad Creations Hub


  6. Nina

    5 stars
    Easy, simple and super delicious! Used it with burgers, meat loaf, patties, baked veggies (omitted gherkins in that version). Simplicity and deliciousness combo at its best 😀 Thank you Megan!

    1. Megan Mad Creations Hub

      You are very welcome Nina!

  7. Rosalie

    5 stars
    Absolutely delicious tastes like the Big Mac sauce

    1. Megan Mad Creations Hub

      It sure does

  8. Chandice Probst

    5 stars
    Yum this is so good when slow cooked all day to perfection… Love that it’s ready when I get home and everybody has full bellies because it’s so hearty.

    1. Megan Mad Creations Hub

      Lol. Slow cooker big mac sauce?

  9. Lauren

    5 stars
    Delicious! Just like the real deal but somehow even better.
    So quick to make, takes a humble sandwich or roll from okay to outstanding.
    10/10, I’ll be making this every week.

  10. Linda

    5 stars
    This sauce is so delicious and I am glad it’s keto-friendly, too! Making more sauce for a weekend feast

  11. Di

    Love it!!
    So simple to make ….. loving your recipes ⭐️

    1. Megan Mad Creations Hub

      Happy to help Di.

  12. Tavo

    5 stars
    Delicious and healthy sauce! I tried it with an eggplant sandwich, and it was delicious!

    1. Megan Mad Creations Hub

      Oh, that sounds like an interesting combination.

  13. Mandy

    5 stars
    This was the perfect sauce for my burger thank you!

    1. Megan Mad Creations Hub

      You’re welcome

  14. sonia

    this recipe will make my whole family happy

    1. Megan Mad Creations Hub


  15. Michele

    5 stars
    My husband loved this on his burger. I love that it is sugar free. Will be making it again.

    1. Megan Mad Creations Hub

      That is so good to hear Michele

  16. Helen J

    5 stars
    This sauce is awesome and so versatile! We use it in place of Mayo where ever possible. So flavoursome and tastes exactly like the commercial version, but so much healthier of course without the sugar.

    1. Megan Mad Creations Hub

      So happy to hear you enjoy it Helen

  17. Lucy Dillon

    5 stars
    Oh yum. This is so close to the real thing but without the sugar. Only a few ingredients abd so quick to make. The whole family enjoyed this 5 star recipe.

    1. Megan Mad Creations Hub

      So happy to hear it is a family fave Lucy.

  18. Lynda

    5 stars
    I love this Big Mac sauce. So much like the original but with out the sugar . Absolutely brilliant.
    It’s so easy to make .
    This will be made regularly at my place .

  19. LyndaH

    5 stars
    Yum .. loved it tonight with my burger 😍 it hit the spot !!!

    1. Megan Mad Creations Hub

      I am so glad you enjoyed your burger Lynda. I love that this sauce is so easy and can transform a simple burger. And thanks again for taking the time to come back and let us know how much you enjoyed the recipe.

  20. GypsyChick

    Can’t wait to make this – it was always the sauce that I loved about the Big Mac!

    1. Megan Mad Creations Hub

      Well it taste pretty darn close so you should be happy with the result.

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