Marinated Vegetable Salad Dijon
["2 Tbsp. Dijon mustard", "1/4 c. olive oil", "1 Tbsp. red wine vinegar", "2 scallions, thinly sliced", "1/4 tsp. basil", "1/8 tsp. pepper", "1 Tbsp. sugar", "1/4 lb. fresh mushrooms, sliced", "1 pt. cherry tomatoes", "1 (9 oz.) pkg. frozen artichoke hearts, thawed or 1 can quartered", "watercress", "hearts of palm (optional; can add or substitute for artichoke hearts)"]
["In a large bowl, combine mustard, oil, vinegar, scallions, basil, pepper and sugar.", "Mix in mushrooms, tomatoes and artichokes.", "Cover and chill several hours or overnight.", "Spoon over a bed of watercress.", "Makes 4 to 6 servings."]
["mustard", "olive oil", "red wine vinegar", "scallions", "basil", "pepper", "sugar", "fresh mushrooms", "cherry tomatoes", "frozen artichoke hearts", "watercress", "hearts of palm"]