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keto mayonnaise in a glass jar
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5 from 5 votes

Keto Mayonnaise

Creamy, rich, and flavorful, this keto mayonnaise recipe is a keeper! It's perfect on sandwiches, in dressings, and in all your favorite recipes. Plus, it's super low in net carbs so you can enjoy it guilt-free!
Prep Time2 minutes
Cook Time3 minutes
Total Time7 minutes
Course: Sauces / Spices / Dressings
Cuisine: American
Keyword: chicken salad, chocolate sauce, mayo, mayonnaise, sandwich
Servings: 8 servings
Calories: 190kcal
Author: Chef Jenn


  • 1 Blender


  • 1 egg
  • 1 tablespoon Dijon mustard
  • 3/4 cup avocado oil
  • 2 tabelspoons lemon juice
  • 1 pinch salt
  • 1 pinch pepper


  • Blend the egg and the Dijon mustard in a blender until smooth.
  • Drizzle in the avocado oil in a thin stream WHILE the blender is running. This will create a thick emulsion.
  • Add the lemon juice, salt, and pepper, and pulse to combine.


Chef Jenn's Tips

  • Use a good quality oil to make mayonnaise. Oil can go rancid if it hasn't been stored properly or if it is too old.
  • Start with 1 tablespoon of lemon juice and add more to taste.
  • You can over-emulsify mayonnaise. Don't over-mix it!


Serving: 2tablespoons | Calories: 190kcal | Carbohydrates: 1g | Protein: 1g | Fat: 21g | Saturated Fat: 3g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 15g | Trans Fat: 1g | Cholesterol: 20mg | Sodium: 33mg | Potassium: 11mg | Fiber: 1g | Sugar: 1g | Vitamin A: 31IU | Vitamin C: 1mg | Calcium: 4mg | Iron: 1mg