Vichyssoise – Fustini's Oils & Vinegars

Ingredients

• 2 tablespoons butter
• 2 tablespoons Fustini's Medium SELECT olive oil
• 5 cups sliced leeks, dark green removed, thoroughly washed
• 1 cup onion, diced
• 2 pounds Yukon Gold potatoes, peeled and diced
• 6 cups chicken stock or water
• kosher salt
• 1/2 cup sour cream
• 1/2 cup heavy cream
• salt and white pepper
• Fustini's 12 Year White balsamic
• chopped chives