Keto Big Mac Sauce

Mad Creations Keto Big Mac Sauce is a super easy recipe to make. It teams perfectly with any keto burger recipe, onion rings, a salad or as a dip.
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This Keto Big Mac Sauce recipe is the perfect special sauce for any keto burger recipe, salad or cheeseburger casserole! Plus a super bonus that the recipe is just so easy to make!

I have been making and using our keto special sauce recipe for many years as it is pretty much the same as the original from McDonalds. Almost the same but a lot less additives and sugar!

Originally featured in our Big Sexy Burger, from my very first cookbook Real Food Real Fast, this is one of my staple keto dressing recipes. It is honestly one of my favourite dressings for most meat based salads I make and a personal favourite also for keto burger recipes.

Mad Creations Keto Onion Rings in a bowl with a hand taking one

Keto Special Sauce Ingredients

  • Mayonnaise – use your favourite pre-made mayonnaise or make your own
  • Dill cucumbers – I use sugar free pickles
  • Mustard – I use Australian mustard or yellow mustard
  • Smoked paprika
  • Garlic powder 
  • Onion powder 
  • White vinegar or pickle juice
keto big mac sauce dressing ingredients

How to Make Keto Big Mac Sauce

Combine all ingredients in a small mixing bowl. 

For a food processor – give a quick pulse or mix on slow to medium speed.

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

This recipe can be made in much larger amounts and stored in the fridge. If there is more than two of you then I would recommend doing just that. The sauce is so damn good you might find yourself putting it on everything you eat for a week. Haha! (I tend to do this).

keto big mac sauce dressing and pickle on a green wood table

Use Keto Big Mac Sauce with these Recipes

  1. Keto Big Mac Salad
  2. The Delicious Keto Clubhouse Big Sexy Burger
  3. Keto Onion Rings
  4. Keto Mexican Beef Burger
  5. Smoky Ranch Chicken Salad – Keto | LCHF | Low Carb 
Mad Creations Cauli Clubhouse Burger with The Big Sexy Sauce


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yellow dressing and pickle on a green wood table

Keto Big Mac Sauce | Keto Special Sauce

The sauce that many of us know and love minus the sugar! Our Keto Big Mac Sauce has been keeping a lot of fellow Ketonians happy for the past couple of years from our very delicious Big Sexy Burger recipe. Well now we have it here as a star of its own, for everyone to enjoy!
5 from 3 votes
Prep Time: 5 mins
Cook Time: 0 mins
Total Time: 5 mins
Course: Dressing
Cuisine: American
Calories: 130kcal
Author: Megan Ellam
Servings: 6 serves
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  • 110 g mayonnaise
  • 20 g dill cucumbers finely diced
  • 25 g Australian mustard or yellow mustard
  • 1/4 tsp smoked paprika
  • 1/2 tsp garlic powder
  • 1 tsp onion powder
  • 1 tsp white vinegar



  • Mix all ingredients in a small bowl together until combined.
  • Store in an airtight jar in the fridge for up to 1 week.


  • Mix all ingredients 7 seconds/speed 5.
  • Store in an airtight jar in the fridge for up to 1 week.


  1. Keto Big Mac Sauce is the perfect accompaniment to any burger or our Big Mac
  2. Salad Bowl or Keto Onion Rings.
  3. Stores for up to 1 week in the fridge.
  4. Use a mayonnaise that is made without seed oils and sugars.
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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!

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  • GypsyChick says:

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

  • LyndaH says:

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

    • Megan Mad Creations Hub says:

      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.

  • Lynda says:

    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 .

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