Celery Root Watercress Salad With Creamy Dijon Dressing Recipe

• 1/3 c. fat-free lowfat sour cream
• 1 Tbsp. chopped shallot
• 1 Tbsp. chopped fresh or possibly
• 1 tsp dry tarragon
• 2 Tbsp. dijon mustard
• 2 Tbsp. white wine vinegar
• 2 Tbsp. water
• 1 x garlic clove, chopped
• 2 c. julienne-cut peeled celeriac, (celery root about 1 1/2 pounds)
• 6 c. coarsely minced romaine lettuce, (about 2 heads)
• 2 c. trimmed watercress, (about 2 bunches)
• 3 Tbsp. minced walnuts, toasted

Directions