2 tablespoons butter
1 cup diced onion
1/2 cup diced celery
1/2 cup diced leeks
1/4 teaspoon chopped garlic
2 tablespoons flour
1 quart milk
1 cup clams in juice
1 cup diced potatoes
1 tablespoon salt
1/4 teaspoon white pepper
1 teaspoon dry thyme
1/2 cup heavy cream
1) In a soup pot, melt...