Bavarian Potato Leek Soup - cooking recipe

Ingredients

2 -4 tablespoons butter or 2 -4 tablespoons margarine
4 leeks, thinly sliced, white part only, well rinsed
4 large potatoes, peeled and diced (about 8 cups after dicing)
1 medium onion, finely chopped
4 cups beef stock (Swansons)
1 tablespoon salt
2 cups half-and-half cream
1 cup heavy cream
1 pinch white pepper
1 pinch marjoram (optional)

Preparation

Melt butter in large soup pot.
Add leeks and onion. Slowly saute until soft but not browned.
Add potatoes, stock, salt and marjoram.
Bring to boil. Cover and boil slowly for 30 minutes, potatoes should be fork tender.
Reduce heat to a simmer, add half-and-half and simmer uncovered 10 minutes, stirring constantly.
Add heavy cream and white pepper just before serving.