Keto Mayonnaise Recipe: Homemade with Avocado Oil (0g Net Carbs)

Homemade keto mayonnaise in glass jar with egg and lemon on kitchen counter, avocado oil, low carb

If you're following a ketogenic diet, store-bought mayonnaise can be a tricky condiment to navigate. Many commercial brands contain hidden added sugars, highly processed inflammatory vegetable oils, and chemical preservatives that are simply not keto-friendly.

Making your own homemade mayonnaise is a metabolic game-changer. Not only is this homemade mayo free of unwanted additives, but it also takes less than 5 minutes to whip up using premium, heart-healthy avocado oil. Once you realize how easy it is to make your own, you will never buy store-bought again!

Recipe Details & Macros

  • Prep time: 5 minutes
  • Total time: 5 minutes
  • Yield: 2/3 cup (about 10 tablespoons)
  • Dietary Info: Keto, Low-Carb, Sugar-Free, Dairy-Free, Gluten-Free

Estimated Nutritional Profile Per Tablespoon:
Calories: 103 kcal | Net Carbs: 0g | Protein: 0.3g | Fat: 11.1g

(Whole batch totals: ~1,027 kcal, ~111g Fat, ~2.7g Protein, ~0.5g Net Carbs)

Ingredients

Step-by-Step Instructions

  1. Combine Base: In a small, heavy mixing bowl (or a tall jar if using an immersion blender), whisk together the room-temperature egg yolk, Dijon mustard, and salt until smooth and well combined.
  2. Emulsify: While whisking constantly (or blending), slowly drizzle in the avocado oil. It is crucial to add just a few drops at a time at first. Once the mixture begins to emulsify and visibly thicken, you can pour the remaining oil in a very slow, steady stream.
  3. Thicken: Continue whisking until all of the oil has been incorporated and the mayonnaise is thick, creamy, and holds its shape.
  4. Flavor: Stir in the lemon juice or apple cider vinegar, along with any additional seasonings like garlic powder, until smooth.
  5. Store: Transfer the mayonnaise to an airtight glass jar and refrigerate immediately. Because it contains raw egg and no preservatives, it will keep in the fridge for up to one week.

📹 Watch the 1-Minute Immersion Blender Method

💡 Ketoavie Pro Tips

  • Temperature is Everything: A room-temperature egg yolk is absolutely key! A cold yolk straight from the fridge will cause the emulsion to break, leaving you with oily liquid.
  • How to Save Broken Mayo: If your emulsion breaks, don't throw it away! Start with a fresh, room-temperature egg yolk in a clean bowl. Slowly whisk the broken mayo mixture into the new yolk, drop by drop, to rebuild the emulsion and save the batch.

Frequently Asked Questions (FAQ)

1. Why use avocado oil not olive oil?
Avocado oil has a neutral taste and 0g carbs, stays stable cold, and is 100% monounsaturated oleic acid. Olive oil can turn bitter when whisked fast.

2. Why did my mayo break?
Cold yolk or oil added too fast. Start with a room temp yolk, add oil drop by drop for the first 30 seconds, then pour in a steady stream while whisking non stop.

3. Can I use a whole egg with an immersion blender?
Yes, for 1 minute mayo: add 1 whole room temp egg, mustard, salt, lemon, then 3/4 cup avocado oil in a tall jar, place blender at bottom, blend 20 sec without moving, then lift slowly.

4. Lemon juice vs apple cider vinegar?
Lemon is bright and fresh. ACV is tangy and mellow. Both stabilize the emulsion. Use raw unfiltered ACV if you choose.

5. How long does homemade keto mayo last?
Up to 1 week refrigerated in an airtight glass jar. It contains no preservatives, so do not leave it at room temp.

6. Can I make it egg free?
You can use 2 tbsp aquafaba from chickpeas, but net carbs increase slightly and it is less keto.

Empower Your Metabolic Lifestyle

Making your own condiments is one of the easiest ways to eliminate artificial chemicals from your diet. If you are looking to master ketogenic nutrition and intermittent fasting, explore our resources below:

Explore More Keto Kitchen Staples

Visit our Keto Kitchen for more nutritious, low-carb favorites:

Transparency Note: This article may contain affiliate links, and I may earn a small commission from qualifying purchases made through these links at no additional cost to you. I only recommend ingredients, kitchenware, and tools I personally test and believe in. Thank you for supporting the Ketoavie community!

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