Vichyssoise - cooking recipe

Ingredients

6 Tbsp. sweet butter
8 large leeks, thinly sliced
1 large yellow onion, sliced
8 medium all-purpose potatoes, peeled and thinly sliced
6 c. rich chicken stock *
1 1/2 Tbsp. lemon juice
3 c. milk
4 1/2 c. heavy cream
fresh pepper to taste
1/2 c. snipped fresh chives

Preparation

*Reduce 8 to 10 cups chicken stock to 6.