Leftover Baked Potato Soup Recipe

• 3 Tbsp. butter
• 1 1/2 c. finely-diced leeks
• 1 1/2 Tbsp. chopped garlic
• 6 c. chicken stock warm
• 4 lrg leftover baked potatoes halved, pulp scooped out and put through a ricer
• 1 1/2 c. buttermilk
• 1/2 c. lowfat sour cream
• 1/2 c. freshly-grated Parmesan
• 2 1/2 tsp kosher salt
• 1 tsp freshly-grnd black pepper
• 2 Tbsp. Sherry vinegar
• 1/4 c. chopped chives

Directions