In a small bowl whisk together the mustard and lemon juice. Add the oil in a steady stream, and whisk until blended. Season with salt and pepper to taste. Add the parsley and whisk to combine. Toss the haricots verts in the dressing. Add the cheese and pine nuts, and toss again. Arrange on a platter.
“Voila des haricots verts!”
Yield: 4 servings