parmesan-peppercorn wedge salad

Ingredients For parmesan-peppercorn wedge salad

• 1 c

  mayonnaise
• 1/2 c

  sour cream
• 1/2 c

  grated parmesan (not shredded)
• 1/4 c

  flat-leaf parsley, minced
• 1 Tbsp

  sliced green onion
• 1 Tbsp

  fresh ground peppercorns (try-colored ones are nice)
• 1 tsp

  worcestershire sauce
• 1/2 tsp

  white vinegar
• 1/4 tsp

  kosher salt
• 1 clove

  garlic, minced
• 1/4 c

  buttermilk (or more for desired consistency)
• 1

  head iceberg lettuce, cut into 4 wedges (remove core)
• 1 lb

  carrots, shredded
• chopped fresh chives, for garnish