Easy Keto Mayonnaise

Our Easy Keto Mayonnaise is the only low carb mayo recipe you will need! Just 4-ingredients and 5 minutes of your time, is all it takes for a rich thick low carb dressing.
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.

Homemade Mayonnaise

Mayonnaise is a staple keto condiments recipe that is perfect for the keto diet. Homemade keto mayo is so much better than store bought mayo. I love that I know exactly what has gone into it when I make my own healthy mayonnaise.

Most mayonnaise recipes are naturally low in carbs as they should basically contain eggs, oil and acid (in the form of vinegar or lemon juice).

Sadly, and I have no idea why sweetener gets added to some, but in my opinion, it totally does not need it.

Making easy, no sugar mayonnaise is just that, easy! It is cheap and tastes so much better. Plus, you can use it for low carb sauce recipes and keto dressings. You can make our amazing Keto Ranch Dressing, Keto Blue Cheese Dressing and so many more delicious low carb recipes with our keto mayo.

Read on for some extra tips to have a no-fail mayonnaise every time. I have even added a how to make mayonnaise in your Thermomix for our thermal cooking lovers too.

Why You’ll Love This Recipe

No sugar! Mayonnaise that is commercially produced usually has sugar added to it, along with lots of other additives; and you don’t need any of that!

Quick and easy – this recipe takes hardly any time to make, so you can make fresh keto mayonnaise with whatever flavour variation you choose.

Keeps for a few days – it is safe to store keto mayonnaise in an airtight container in the fridge for 5-7 days.

Variations – make Whole30 mayonnaise, paleo, and keto-friendly mayonnaise with just a few ingredients.

The Ingredients

Scroll to the recipe card at the bottom for the quantity of ingredients used and the full detailed method to make homemade keto mayonnaise!

Keto Mayonnaise ingredients on a piece of blue fabric.

There are just 4 main ingredients in this easy keto mayo recipe.

Oil: I use neutral-tasting olive oil, avocado oil or fractionated coconut oil. Neutral taste olive oil is NOT extra virgin olive oil. Please use light olive oil or neutral oil.

You can make avocado oil mayo but check the avocado oil first. Some are quite robust in flavour so look for a mild-tasting one. Fractionated coconut oil is liquid coconut oil or MCT oil. This is perfect for bulletproof mayonnaise.

Eggs: I use fresh free-range room temperature egg yolks. The eggs are not cooked in this recipe. If you have concerns over salmonella then please use pasteurised eggs or whisk the mayonnaise over a gentle heat for a cooked mayonnaise.

Apple cider vinegar or lemon juice: the acid in vinegar or lemon juice is what helps to emulsify the mayo.

How To Make Keto Mayonnaise

Step 1: Mix the room temperature egg yolk, vinegar/lemon juice and mustard together. You can do this with a whisk, food processor, blender, or with a stick blender in a suitable container.

Whisking in oil into keto mayonnaise.

Step 2: While whisking or blending, slowly drizzle the oil in a thin stream until the mayonnaise emulsifies.

An immersion blender in mayonnaise.

Hot Tips & FAQs

Does it matter what oil I use?

Oil choice is very important in making mayonnaise. You want to choose oils that are not strong in flavour. The light olive oil is not the same as virgin or extra virgin. It has more of a neutral flavour and won’t dominate the mayonnaise. Extra virgin olive oil is not recommended.

Why is it important to add the oil slowly?

Whether making mayonnaise with a whisk, stick blender or Thermomix® the trick is to add the oil in a slow steady stream to slowly emulsify the mayonnaise. If you add it too fast, it doesn’t come together properly. As you are whisking or blending the egg mix, the slow stream of oil will slowly help to form a thick delicious consistency. 

What flavoured keto mayonnaise can you make using this base recipe?

I love the addition of Dijon mustard (or any mild mustard) and a good seasoning to my recipe.

A few other low carb mayonnaise variations: Chipotle mayonnaise recipes are pretty popular at the moment and the chipotles in adobo can be found in most supermarkets these days. A keto garlic aioli is also a pretty great recipe to have on hand. You can also use roasted garlic or black garlic for some more interesting flavours.

How to Fix a Broken Mayonnaise

I have 3 tips to fix mayonnaise that is broken or is too thin.

  1. Whisk in two teaspoons of boiling water. This will help the yolks to re-emulsify with the oil, bringing the mayo back together. If it still is not thick add 1-2 more teaspoons to thicken.
  2. Whisk in 1 teaspoon of extra mustard to the broken mayonnaise until it emulsifies and thickens.
  3. Add another egg yolk and whisk (or process) until thick.

Mayonnaise Thermomix

It is super simple to make mayonnaise in the Thermomix. The additional benefit is if you would prefer a cooked mayonnaise too. I have included a method to make our easy keto mayonnaise in the thermie. If you would prefer to cook your mayonnaise; add the eggs, mustard and vinegar/juice; set the mixer to 4 min/37°C/speed 4. In the last minute or so begin to pour the oil and mix until thick and emulsified.

More Recipes To Try

I have loads of easy keto recipes that I am sure you will love. Here are just a few of our keto condiments that everyone seems to love.

  1. Keto Tartare Sauce
  2. Sugar Free Tomato Sauce Keto Ketchup
  3. Keto Sweet Chilli Sauce
  4. Keto Pesto Recipe
  5. Keto BBQ Sauce

This healthy mayo option makes so many more recipes that little bit cleaner. Our Keto Coleslaw and Keto Caesar Dressing taste so much better without the sweetened mayo like Kewpie Mayo or condensed milk mayo.

Bacon fritters with a ranch dressing and lemons in a metal bowl.

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Bacon fritters with a ranch dressing and lemons in a metal bowl.

Keto Mayonnaise

A great keto mayonnaise recipe is a good recipe to have. Just 5 ingredients and so easy to make!
5 from 55 votes!
Prep Time: 5 mins
Total Time: 5 mins
Course: Condiment
Cuisine: Australian
Diet: Diabetic
Recipe Category: Low Carb
Calories: 124kcal
Author: Megan Ellam
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Servings: 16 serves
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Ingredients

  • 1 egg yolk
  • 2 teaspoons apple cider vinegar or lemon juice
  • 1 tablespoon Dijon mustard
  • 1 cup light taste olive oil or avocado oil
  • Salt and pepper

Instructions

CONVENTIONAL METHOD

  • Mix egg, vinegar and mustard in a blender or with stick blender.
  • Add oil in a thin stream with blender running slowly until mayonnaise emulsifies and thickens. Season with salt and pepper.

THERMAL METHOD

  • Insert the whisk attachment. Add egg yolk, vinegar and mustard; mix 20 sec/speed 4.
  • Set mixer to 3 min/speed 4. With the measuring cup in place, slowly pour the oil in a steady stream onto the lid, while the blades are rotating. You will hear when the mix has emulsified and thickened. Season with salt and pepper.

Notes

STORAGE
Store in an airtight container in the fridge for up to 7 days. It is not recommended to freeze mayonnaise as it is likely to split.
INGREDIENTS
Oil choice is very important when making mayonnaise. You want to choose oils that are not strong in flavour.
Light tasting olive oil is not the same as virgin or extra virgin. It has more of a neutral flavour and won’t dominate the mayonnaise. Extra virgin olive oil is not recommended.
If using avocado oil, try a lighter tasting avocado oil. Some avocado oils can turn the mayonnaise green. Try to avoid using all seed or vegetable oil.
Cooked vs uncooked egg in mayonnaise. Mayonnaise is traditionally made with raw eggs. I use fresh pasture-raised eggs when I make mayonnaise. If you have concerns about salmonella then please purchase pasteurised eggs or make cooked mayonnaise.
FIXING A BROKEN MAYONNAISE
I have 3 tips to fix mayonnaise that is broken or is too thin.
Whisk in two teaspoons of boiling water. This will help the yolks to re-emulsify with the oil, bringing the mayo back together. If it still is not thick add 1-2 more teaspoons to thicken.
OR
Whisk in 1 teaspoon of extra mustard to the broken mayonnaise until it emulsifies and thickens.
OR 
Add another egg yolk and whisk (or process) until thick.
SERVING SIZES
This recipe yields approximately 16 servings. The actual number of servings will depend on your preferred portion sizes. This is based on 16 heaped tablespoon serves.
SERVING SIZE BY WEIGHT
To calculate the weight of one serving, prepare the recipe as instructed. Weigh the finished recipe, then divide the weight of the finished recipe by 16. The result will be the weight of one serving. 
NUTRITIONAL VALUES
Nutritional values shown are guidelines only. They are for 1 serving using the ingredients listed. Actual macros may vary slightly depending on the brands and types of ingredients used. 
All recipes have been tested using all of the mixing methods included by various recipe testers.
The recipe card instructions contain the most basic of steps and a list of ingredients. If you have any queries, questions or are unsure of substitutions, please scroll up to the blog post for more information.

Your Own Notes

Nutrition

Serving: 1serve | Calories: 124kcal | Carbohydrates: 1g | Protein: 1g | Fat: 14g | Saturated Fat: 2g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 10g | Cholesterol: 12mg | Sodium: 11mg | Potassium: 3mg | Fiber: 1g | Sugar: 1g | Vitamin A: 17IU | Vitamin C: 1mg | Calcium: 2mg | Iron: 1mg | Magnesium: 1mg | Net Carbs: 0g
Tried this recipe?Mention @meganellam or tag #madcreations!

Megan Ellam is an Australian keto recipes blogger and author of amazing keto cookbooks such as Keto Mojo, 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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