Ingredients

1 large egg 

1 teaspoon coarse salt 

1/2 cup canola oil 

1/4 cup extra-virgin olive oil 

3 tablespoons fresh lemon juice 

Grated zest of 1 lemon 

Preparation

Blend egg and coarse salt in a food processor until foamy. With machine running, slowly add canola oil and then olive oil in a slow, steady stream. Add lemon juice and zest; blend briefly. Adjust seasoning to taste. Refrigerate, covered, up to 2 days.