Keto Bacon Mayo

Annie Lampella @ Ketofocus

By Annie Lampella, Pharm.D.

Published August 27, 2019 • Updated January 2, 2022

Reader Rating
4.8 Stars (19 Reviews)

This post may contain affiliate links. See my disclosure policy.

A recipe for bacon mayonnaise is one food everyone on the keto diet should learn how to make. Also called baconnaise, this spread is easy to make and full of bacon flavor.

Low Carb Bacon Mayonnaise Recipe

sandwich with bacon mayo Instead of using traditional mayonnaise for your low-carb sandwiches, wraps and dressing base, consider using bacon mayo. Bacon mayonnaise is creamy like regular mayo but it is bacon flavored. Also called baconnaise, this is a keto condiment to make as long as you have saved up your leftover bacon grease from all bacon you fry every morning on your low-carb diet.

What is bacon mayo made of?

apple cider vinegar Bacon mayo is primarily made out of bacon grease and egg yolk. The egg yolk helps to form an emulsion. Vinegar or an acid like lemon juice is added to the egg yolk to help keep that emulsion together. Bacon grease is very slowly drizzled into the egg yolk while mixing constantly. If the bacon grease is added too quickly the emulsion can break and you will get an oily liquid instead of mayonnaise. After all the bacon grease is added to the egg yolk and it has a mayo like consistency, you can add other ingredients to enhance the flavor of the bacon mayonnaise. In this recipe, we add Dijon mustard. Consider adding any of the following to help liven up the flavor of your bacon mayo:
  • cayenne pepper
  • red pepper flakes
  • sriracha sauce
  • hot sauce
  • liquid smoke
  • minced red onion
  • minced garlic
  • bacon bits
  • chives
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Keto Bacon Mayo

4.8 (19) Prep 5m Total 5m 8 servings

Ingredients

  • 2 egg yolks (room temperature)
  • 2 teaspoons apple cider vinegar or lemon juice
  • 1 cup liquid bacon grease
  • 1 teaspoon dijon mustard
  • pinch of salt

Step by Step Instructions

Step by Step Instructions

1
Add yolks & ACV

Add yolks and apple cider vinegar to a food processor and pulse to combine.

add yolks with vinegar for mayonnaise base
2
Drizzle the grease

Very, very slowly drizzle in the liquid bacon grease with the food processor on.

slowly drip in bacon grease
3
Keep going

Continue slowly adding all the bacon grease.

mix until mayo consistency
4
Time for the dijon

Add dijon mustard and salt. Mix to combine.

dijon mustard for flavor
Nutrition Per Serving
246 Calories
26.8g Fat
0.7g Protein
0g Net Carbs
0g Total Carbs
8 Servings
Nutrition disclaimer

The nutrition information provided is an estimate and is for informational purposes only. I am a Doctor of Pharmacy (Pharm.D.); however, this content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician or other qualified health provider before making any lifestyle changes or beginning a new nutrition program.

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Methods for making bacon mayo

My preferred method for making bacon mayonnaise is to use a food processor to mix the egg yolk and bacon grease together. This mini food processor by Cuisinart is my favorite. It has a tiny hole on the top to help slowly drizzle in the liquid bacon grease. If you don’t have a food processor, you can use an immersion blender or a good ol’ whisk and use your hands to make the baconnaise.

How to store bacon grease?

bacon grease in a pyrek
After frying bacon, strain your bacon grease through a fine mesh strainer to get all the cooked bacon bits out. Store in a stainless steel container or glass jar. Bacon grease will stay fresh in the refrigerator for about six months as long as all the meat has been removed. You can also freeze bacon grease. You can store leftover bacon grease at room temperature; however, it will go rancid faster. If storing at room temperature, keep the bacon grease in a dark, tightly sealed container and strain the bacon bits out to maximize freshness. I use a strainer and pour the bacon grease into a small glass mason jar. Or you can use one of these nifty bacon grease containers with a built in strainer that you can purchase. It is made out of stainless steel to keep light and heat from causing the fat to go rancid. If you notice an unpleasant odor, the bacon grease has gone bad and should be thrown out.
Keto Bacon Mayo

Frequently Asked Questions

Is bacon mayo carnivore diet approved?

If you are on an all meat diet like the carnivore diet, bacon mayonnaise is one condiment you can enjoy and slather on everything. I recommend still using the apple cider vinegar to help keep the emulsion together; however, you can omit the Dijon mustard from the recipe if you are eating carnivore keto.

How many carbs are in bacon mayo?

0 carbs... the answer is 0 or no carbs! This goes for net and total carbs. Enjoy!

How do I store the bacon mayo in the fridge?

I use a glass mason jar. If you prefer squeezable bottles, they are available on Amazon and at most grocery stores.

About the Author
Annie Lampella, Pharm.D.

Annie Lampella, Pharm.D.

Annie is a Doctor of Pharmacy, mom, and the recipe creator behind KetoFocus. With a B.S. in Genetics from UC Davis, she has over 14 years of experience developing family-friendly keto recipes based on the science of human metabolism.

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Reviews 37
4.8 Stars (19 Reviews)
  1. T
    Tina M. Apr 4, 2025

    This bacon mayo turned out delicious. I used lemon juice instead of vinegar and it still emulsified perfectly. Just be sure to drizzle the grease super slowly like the recipe says.

  2. L
    Linda Mar 10, 2025

    I followed the recipe exactly and was really impressed by how emulsifying the bacon grease slowly created such a creamy and smooth texture. Using room temperature yolks made the blending process so easy and seamless in the food processor. The dijon mustard added a subtle tang that balanced out the richness of the bacon perfectly. I also liked the hint of acidity from the apple cider vinegar, which cut through the fat just enough without making it too sharp. This mayo was incredibly thick and held its shape really well, which made it perfect as a spread for lettuce-wrapped burgers.

  3. S
    Samantha Jun 21, 2023

    Has anyone tried using the wisk attachment on a kitchen aid mixer to make this?

    1. R
      Robert Chambers Jan 18, 2024

      Good idea!

  4. A
    Alice Apr 24, 2023

    So delicious! I used my immersion blender at the second speed, there’s only two. It worked so wonderfully. Thank you for sharing this recipe. ☺️

  5. D
    David V Nov 30, 2022

    So I've tried this twice, failed twice. I used the food processor, drizzled slowly the liquid (Luke warm not hot) bacon grease and I could never get it to combine properly. I'd love some thoughts.

  6. D
    David V.. Mar 2, 2022

    I tried making this and had two failures. First time round I used an emersion blender and the second time I used a food processor. Both times it became soupy, never getting thick like a mayo. Any advice? I was so bummed when it didn't work.

    1. Annie Lampella
      Annie Mar 3, 2022

      It sounds like you emulsion keeps breaking. You have to all the oil slowly to the egg yolk while mixing.

  7. C
    Catherine Nov 20, 2021

    What is the serving size?

    1. Annie Lampella
      Annie Nov 20, 2021

      2 tablespoons

  8. M
    Maria Nov 9, 2021

    My emulsion broke using 1 cup of bacon grease. I think 1/2 or 3/4 cup would have been better.

  9. M
    Melissa May 30, 2021

    Oh my! I am thankful you posted this recipe! I love it! Turned out exactly as Mayo should be. Last commenter used half bacon grease and half butter.. I think I will try that next.

  10. R
    Rachel May 24, 2021

    Recipe was perfection!!! ? Thanks for sharing!! I used 1/2 melted butter & 1/2 bacon fat for more of a hollandaise sauce mayo. Was utterly delish! My kiddo loved it. (We also added an extra teas of lemon + vinegar, because we like it on the tangier side) Just what we're used to. ;)

  11. T
    Tom May 1, 2021

    I only had 1/2 cup of bacon grease so I used avocado oil for the other half. This worked perfectly with my immersion blender. The avo baconnaise is delicous!

    1. D
      Denise Jun 3, 2022

      I made this exactly as written and it came out with a very nice consistency, but then solidified once I put it in the fridge. Any ideas?

  12. K
    Kerry Apr 16, 2021

    It didn’t work using an immersion blender, to liquidy. Will try again.

    1. Annie Lampella
      Annie Lampella Apr 21, 2021

      Sometimes you have to have the perfect speed to keep the emulsion from breaking. Try adding another yolk if that happens.

  13. M
    Matt Apr 6, 2021

    What do you use this for? It melts on anything warm. I did mix some tuna to make tuna salad but what other ideas are out there?

    1. Annie Lampella
      Annie Lampella Apr 8, 2021

      I use it on chaffle sandwiches.

    2. A
      ashley May 19, 2021

      Deviled eggs or chicken salad? anywhere you'd use regular mayo I suppose.

    3. T
      Trish Sloan Jan 28, 2022

      Devilled eggs!!
      Chicken salad

    4. M
      Mary Wibel Jul 6, 2024

      Egg salad

  14. D
    Doug Apr 3, 2021

    Won’t the “Mayo” break after the bacon fat becomes solids again?

    1. Annie Lampella
      Annie Lampella Apr 6, 2021

      Nope, it stays in this emulsified state

  15. B
    Brett Feb 13, 2021

    How do you store this?

    1. Annie Lampella
      Annie Lampella Feb 15, 2021

      It will keep in the refrigerator in a tightly sealed container for up to a month.

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