Ingredients

• 3 carrots (sliced thin)
• 2 in advance
• 2 garlic (cloves minced)
• 1 russet baking potato
• 1 make the buttered pecans
• 1 day in advance
• 1 make the soup
• 1 creme frache
• 1 bay leaf
• 5 cups broth
• 5 cups chicken broth additional (plus)
• 2 pounds sweet potatoes
• 1 1/2 cups water
• 3/4 cup dry wine (white)
• 3/4 cup pecans (chopped)
• 1 cup leek washed well (finely chopped)
• 3/4 cup onion (finely chopped)
• 5 tablespoons butter (unsalted)
• some in the butter over moderate heat
• some buttered pecans
• some over moderate heat