classic shepherd's pie

Ingredients For classic shepherd's pie

• 2 lg

  uncooked potatoes, peeled and cut into 2" pieces
• 1/4 c

  fat free sour cream
• 1 Tbsp

  reduced-calorie margarine
• 1/8 tsp

  table salt, or to taste
• 2 tsp

  olive oil
• 1 c

  onions, uncooked and chopped
• 2 md

  uncooked carrots, diced
• 2

  ribs of (medium) uncooked celery, diced
• 1 lb

  uncooked ground turkey breast
• 3 Tbsp

  all purpose flour
• 1 Tbsp

  rosemary, fresh, chopped (or 1 tsp dried)
• 1 tsp

  dried thyme
• 1/2 tsp

  table salt
• 1/4 tsp

  black pepper
• 2 c

  canned chicken broth or beef broth