How to Make Homemade Mayo Without Seed Oils (3 Recipes)

Store-bought mayo is one of the biggest seed oil offenders in most kitchens. Even brands that market themselves as "healthy" or "made with olive oil" are usually 80% or more soybean oil or canola oil. Check the ingredient list on your Hellmann's, Duke's, or even that expensive olive oil mayo — the first ingredient is almost always soybean oil or canola oil.

Making your own mayo takes five minutes, requires no special equipment beyond a jar and an immersion blender, and produces something that tastes dramatically better than anything in a jar. Here are three recipes based on different clean fats.

Before You Start: The Science of Mayo

Mayo is an emulsion — oil suspended in a water-based liquid (lemon juice or vinegar) stabilized by lecithin in egg yolk. The egg yolk is doing all the work. The oil choice determines the flavor and nutrition. The acid provides tang and food safety.

The critical technique: The oil must be added slowly while blending. If you dump all the oil in at once, the emulsion will not form and you will have a separated, oily mess. With an immersion blender, you can cheat this process (instructions below), but the principle remains: the emulsion needs time to build.

Equipment needed: An immersion blender and a tall, narrow container (a wide-mouth mason jar works perfectly). You can also use a regular blender or food processor, but an immersion blender makes the process nearly foolproof.

Recipe 1: Classic Avocado Oil Mayo

This is the closest to store-bought mayo in flavor and texture. Avocado oil is neutral-flavored and produces a mild, creamy result.

Ingredients:

• 1 cup light-flavored avocado oil (not extra virgin)
• 1 large egg, room temperature
• 1 tablespoon fresh lemon juice or white vinegar
• 1 teaspoon Dijon mustard
• 1/2 teaspoon fine sea salt

Instructions:

1. Place the egg in a tall, narrow container (a wide-mouth pint mason jar is ideal).
2. Add the lemon juice, mustard, and salt on top of the egg.
3. Pour the avocado oil on top. Do not stir.
4. Place the immersion blender at the bottom of the jar, directly over the egg yolk.
5. Turn the blender on high and hold it at the bottom without moving for 20-30 seconds. You will see the mayo forming from the bottom up.
6. Once the bottom half is emulsified, slowly move the blender up and down through the remaining oil until everything is incorporated.
7. Taste and adjust salt and lemon juice.

Yield: About 1 cup. Storage: Refrigerate in the mason jar for up to 10 days.

Important note on avocado oil: A significant percentage of avocado oil on the market is adulterated with cheaper seed oils. Use brands that have been independently tested for purity. Chosen Foods, Primal Kitchen, and Marianne's are among the brands that have passed third-party testing.

Recipe 2: Extra Virgin Olive Oil Mayo

This produces a more flavorful, slightly peppery mayo that works beautifully as a dipping sauce, in Mediterranean-style dishes, and on sandwiches where you want the mayo to be a flavor contributor rather than just a binder.

Ingredients:

• 3/4 cup light/mild extra virgin olive oil
• 1/4 cup regular (not extra virgin) olive oil
• 1 large egg, room temperature
• 1 tablespoon fresh lemon juice
• 1 small clove garlic, minced (optional)
• 1 teaspoon Dijon mustard
• 1/2 teaspoon fine sea salt

Instructions:

1. Follow the same immersion blender method as Recipe 1.
2. If adding garlic, place it in the jar with the egg before adding oil.

Why the blend of olive oils: 100% extra virgin olive oil can produce a bitter mayo due to polyphenols that get released during blending. Mixing with a lighter olive oil reduces bitterness while keeping the flavor. If your EVOO is mild (California-style rather than Tuscan), you can use 100% EVOO.

Yield: About 1 cup. Storage: Refrigerate for up to 7 days. Olive oil mayo has a shorter shelf life than avocado oil mayo because EVOO oxidizes faster once emulsified.

Variation — Aioli: Add 2-3 cloves of minced garlic and an extra tablespoon of lemon juice. This makes a traditional garlic aioli that is spectacular with roasted vegetables, on burgers, or as a dip for sweet potato fries.

Recipe 3: Tallow Mayo (The Rich One)

This is the most unusual recipe and produces the richest, most savory mayo you have ever tasted. Rendered beef tallow was the original fat used in many traditional mayo and aioli recipes before seed oils became cheap and ubiquitous.

Ingredients:

• 1 cup rendered beef tallow, melted and cooled to barely warm (not hot)
• 1 large egg, room temperature
• 1 tablespoon apple cider vinegar
• 1 teaspoon Dijon mustard
• 1/2 teaspoon fine sea salt
• 1/4 teaspoon black pepper

Instructions:

1. The tallow must be fully melted but cooled to approximately body temperature (warm to the touch, not hot). Hot tallow will cook the egg.
2. Follow the same immersion blender method as Recipe 1.
3. Work quickly — tallow starts to solidify as it cools, and you want it fully emulsified before it firms up.

Yield: About 1 cup. Storage: Refrigerate for up to 2 weeks. Tallow mayo will firm up significantly in the fridge. Let it sit at room temperature for 10-15 minutes before using, or microwave in 5-second bursts.

Best uses: Burger sauce, steak sandwiches, dipping fries, and anywhere you want a deeply savory, meaty undertone. This is not a delicate mayo — it is bold and unapologetic.

Troubleshooting

My mayo did not emulsify / it is runny:

• Your egg was probably cold. Room temperature eggs emulsify much more reliably. Next time, set the egg on the counter for 30 minutes before starting.
• You moved the immersion blender too soon. Keep it pressed at the bottom for a full 30 seconds before moving it upward.
• Fix it: Add the broken mayo to a new egg yolk in a clean jar and blend again.

My mayo tastes bitter (olive oil version):

• Your EVOO is too robust. Use a milder, California-style olive oil or increase the ratio of light olive oil.
• You blended too aggressively. High-speed blending releases more bitter polyphenols from EVOO. Blend at the lowest speed that achieves emulsification.

My mayo is too thick:

• Add 1-2 teaspoons of water or lemon juice and blend briefly to thin it.

My tallow mayo is grainy:

• The tallow was too cool when you started and began solidifying before full emulsion. Remelt and try again, working faster.

Store-Bought Alternatives

If you do not want to make your own, these brands use clean oils:

• Primal Kitchen Mayo — avocado oil based, widely available
• Chosen Foods Mayo — avocado oil, available at Costco
• Sir Kensington's Avocado Oil Mayo — check the label, as some Sir Kensington's varieties use sunflower oil

Avoid "olive oil mayo" from major brands (Hellmann's Olive Oil Mayo, etc.) — these are primarily soybean or canola oil with a small amount of olive oil added for marketing.

Key Takeaways

• Homemade mayo takes 5 minutes with an immersion blender and a mason jar
• Avocado oil produces the most neutral, store-bought-like result
• Olive oil mayo is more flavorful but requires a blend of light and extra virgin to avoid bitterness
• Tallow mayo is the richest option and keeps the longest
• Room temperature eggs are the key to reliable emulsion
• Most "olive oil mayo" at the store is still primarily seed oil

Related Articles:

• Seed Oil Free Condiments: The Complete Guide
• Seed Oil Free Mayo Ranked
• What Are Seed Oils and Why Do People Avoid Them?

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