1 cup avocado or olive oil

1 large egg

1 teaspoon lemon juice

1/2 teaspoon dijon mustard

1/4 teaspoon salt, or more to taste

pint wide-mouth mason jar

hand immerson blender

In a pint sized wide mouth mason jar, add the ingredients

Insert the immersion blender all the way to the bottom

Turn on high, 20-30 seconds, or until white

Very slowly lift immersion blender to continue emulsifying

Continue blending until mixture has thickened to your desired amount

Add more salt or lemon juice to taste, if preferred

Keep covered in fridge, will last 4 weeks