Lemon Vinaigrette for Marinated Baby Artichokes

Name: Lemon Vinaigrette for Marinated Baby Artichokes
Yield: Makes about 1 cup
Ingredients: 1 shallot, finely chopped; 2 tablespoons Dijon mustard; 4 tablespoons white-wine vinegar; 3 tablespoons freshly squeezed lemon juice; Coarse salt and freshly ground pepper; 3/4 cup plus 2 tablespoons olive oil; 1 tablespoon tarragon, finely chopped