1In tightly covered container, shake all vinaigrette ingredients until well blended. Makes 1 cup vinaigrette; use 1/3 cup for this recipe.
2In 10-inch nonstick skillet, heat 1/3 cup balsamic vinaigrette to boiling over medium heat. Cook mushrooms in vinaigrette 3 minutes; remove from heat.
3Add remaining salad ingredients. Toss 1 to 2 minutes or until greens begin to wilt. Serve immediately. Sprinkle with freshly ground pepper if desired.