Ingredients
3 tablespoons white-wine vinegar
2 tablespoons Dijon mustard
2 tablespoons olive oil
1 minced shallot
1/4 cup loosely packed chopped fresh tarragon (or 1/2 teaspoon dried)
3/4 pound trimmed spinach
1/2 cup coarsely chopped toasted walnuts
4 quartered hard-cooked eggs
8 ounces thinly sliced mushrooms
Coarse salt and ground pepper
Preparation
In a large bowl, whisk together vinegar, Dijon mustard, olive oil, shallot, and tarragon.
Add spinach, walnuts, hard-cooked eggs, and mushrooms. Season with coarse salt and ground pepper. Toss just before serving.