Creamy cold potato soup (Vichyssoise)

DIRECTIONS

• Heat butter in dutch oven or heavy deep pan.
• Saute the leeks and onion-cook gently, stirring frequently until golden.
• Add broth and potatoes.
• Boil gently, uncovered for 30-45 minutes.
• Let cool and run through a processor until smooth.
• You may need to do this in two batches.
• Put mixture in large bowl and refrigerate.
• Chill for about 20 minutes.
• When cold stir in cream, chives salt and pepper.
• If too thick add some milk.
• Consistency should be somewhat thinner than pan cake batter.
• Serve cold.