Ingredients

1 1/2 teaspoons red-wine vinegar 

1/4 teaspoon coarse salt 

1 large egg 

1 large egg yolk 

2 teaspoons Dijon mustard 

3/4 cup canola oil 

1/2 cup extra-virgin olive oil 

Freshly ground black pepper 

Preparation

In a large bowl, whisk together vinegar and salt until salt is dissolved. Whisk in egg, egg yolk, and mustard until fully combined. Whisking constantly and vigorously, very slowly drizzle in both oils until mixture is fully emulsified and thickened. Season with pepper.