nanna's vichyssoise

Ingredients For nanna's vichyssoise

• 4

  leeks, thinly sliced
• 1 md

  onion, thinly sliced
• 1/4 c

  butter
• 5 md

  potatoes, peeled and thinly sliced
• 4 c

  chicken broth
• 1 Tbsp

  salt
• 2 c

  milk, whole
• 2 c

  medium cream (or half and half)
• 1 c

  heavy cream