Watercress Dip
["1 bunch watercress", "1/2 c. mayo", "1/2 c. sour cream", "2 tsp. Dijon mustard", "1/2 tsp. salt"]
["Remove tough stems from watercress.", "In food processor with knife blade attached or in blender, blend watercress, mayo, sour cream, Dijon mustard and salt until blended."]
["watercress", "mayo", "sour cream", "mustard", "salt"]