Make your own homemade mustard aioli with this recipe, including egg yolk, Dijon mustard, lemon juice, olive oil, garlic, and a dash of chili powder for a spicy touch. It is easier to make than you think, ready in minutes.
This Easy Mustard Aioli is a creamy, tangy sauce or condiment ready to elevate just about anything you wish. It’s made with simple ingredients like egg yolk, mustard, and garlic, with a touch of chili heat, and it comes together in minutes. Use it as a dip for fries or other fried foods, a spread for burgers and sandwiches, or a zesty drizzle for grilled meats, seafood, and roasted vegetables. Once you try it, you’ll want to put it on everything.
As a longtime spicy food enthusiast and recipe developer behind Chili Pepper Madness, I’m always looking for quick ways to layer bold flavor into everyday cooking. Aioli-style sauces are perfect for this, traditionally an emulsion of garlic and oil that has evolved into creamy garlic-mayo sauces that are easy to customize. With this recipe, mustard and and a pinch of chili powder gives you a tangy, spicy twist that pairs perfectly with everything from burgers to seafood.
I'm making it extra easy for you by skipping the traditional mortar and pestle, and using a whisk and bowl instead.
How to Make Mustard Aioli
- Add the egg yolk, Dijon mustard, and lemon juice to a small bowl, then whisk it together until smooth. NOTE: The mustard doesn’t just add flavor, it also helps hold the emulsion together, making this version easier and more reliable than traditional aioli.
- Slowly drizzle in the olive oil while whisking vigorously the entire time until the mix turns rich and creamy. You're looking for a thickened, creamy texture that holds together with the texture of a mayonnaise. NOTE: If it doesn't come together right away, just keep whisking and whisking.
- Once you've achieved the creaminess and thickness you prefer, gently stir in garlic, chili powder, and a bit of salt and pepper.
- If it is too thick, whisk in a splash of water to thin it out.
I've noticed the quality egg yolks make a huge difference. Use the freshest eggs possible, and bring to room temperature before whisking, which works better than cold egg yolks.
I hope you love my spicy mustard aioli recipe, my friends. Enjoy.
Recipe Tips & Notes
- Adjust the heat to your taste. Use cayenne pepper or hot paprika for a spicier kick, or sweet paprika for a milder version. Splash in a bit of hot sauce if you want a spicier aioli, or keep it milder for a more balanced mustard flavor.
- Use room temperature egg yolks. Room temperature yolks emulsify much more easily than cold ones, helping the aioli come together smoothly and preventing it from breaking.
- Variations: This can be combined with other ingredients to make flavored aioli. Consider chipotle, hot sauce, or other seasonings.
Easy Mustard Aioli Recipe
Ingredients
Ingredients
- 1 large egg yolk
- 2 tablespoons Dijon mustard try other mustards, too
- 2 teaspoons fresh lemon juice
- 1/2 cup olive oil
- 1 teaspoon garlic powder
- ½ teaspoon ghost chili powder sub in cayenne powder if ghost is too hot
- Salt and pepper to taste
Instructions
Cooking Directions
- Whisk together the egg yolk with Dijon mustard and lemon juice.
- Slowly stream the olive oil into the mixture, whisking the entire time until it becomes nice and creamy.
- Stir in garlic, cayenne (or ghost powder), and a bit of salt and pepper.
- If you’d like to thin it out, add a teaspoon or more of water and whisk.
- Refrigerate until ready to use.
Nutrition Information
Serving Ideas
This creamy sauce is the perfect drizzler or dipper for hard or soft pretzels, burgers, sandwiches, veggies, or anything fried. Use it as a tangy dressing for your next salad.
Here are a few of my favorites from my personal recipe collection
- Jalapeno Bottlecaps - Fried battered jalapenos that are crispy and spicy.
- You'll love it drizzled over these crispy fried oysters.
- Spoon some over my easy chicken fried rice recipe for an extra kick.
- Serve it alongside this fried green tomatoes recipe for a special twist.
I hope you enjoy it.
Storage Information
Store mustard aioli in a sealed container in the refrigerator for up to 3 days. Because it is made with fresh egg yolks, it should always be kept chilled and not left out at room temperature for extended periods. Give it a quick stir before serving if it thickens slightly in the fridge.
I do not suggest freezing it, as it affects the texture and it tends to separate.
Cookbook Recommendation
If you enjoy spicy cooking, I hope you'll check out my cookbook! 75 easy recipes with big, bold flavor.
- The Spicy Food Lovers' Cookbook, by Mike Hultquist (affiliate link, my friends!)
More Creamy Sauce Recipes to Try
- Chipotle Mayo
- Jacked Up Fry Sauce
- Chipotle Sauce
- Homemade Buffalo Sauce
- Aji Amarillo Sauce
- Creamy Fish Taco Sauce
More Spicy Aioli Recipes to Try
If you try this recipe, please let us know! Leave a comment, rate it, and tag a photo with #ChiliPepperMadness on Instagram so we can take a look. I always love to see all of your spicy inspirations. Thanks! -- Mike H.
NOTE: This recipe was updated on 3/9/26 to include new testing and information, including storage, helpful tips, and serving ideas. The recipe was not changed.
Disirea says
I love it
Mike H. says
Thank you!
Sniffo says
GONNA SPREAD THIS ON SOME BURGERS HOPE ITS GOOD!! THUMBS UP FROM ME!
Mockernutsz says
I made this recipe with my own homemade pepper mustard. and used fresh garlic to my taste...... Very tasty and easy to make and also can adjust flavors to individual taste,, i am going to make tuna salad with it to put in crackers or a nice bread ....thank you for the recipe......
Michael Hultquist - Chili Pepper Madness says
Awesome! I'm very happy you enjoyed it.
Len says
You could also use this on thinly-sliced roast beef sandwiches but to make it better, whisk in horseradish and leave out the peppers.
REPLY: Yes, horseradish would be a great addition, but more peppers for me! -- Mike from Chili Pepper Madness.