Ingredients
1 tablespoon white wine vinegar
1 tablespoon Dijon mustard
1/4 teaspoon dried oregano
1/4 teaspoon dried tarragon
1/8 teaspoon salt
1/8 teaspoon pepper
2 tablespoons olive oil
1 1/2 cups sliced fresh mushrooms
1/2 cup cherry tomato halves
8 pitted ripe olives, halved
Lettuce Leaves
Directions
In a small bowl, combine the first six ingredients. Gradually whisk in oil until blended. Add the mushrooms, tomatoes and olives; toss to coat. Cover and refrigerate for 2 hours. Serve in a lettuce-lined bowl.