Winning Cream of Leek Soup

Ingredients (9)

• 1 pound medium leeks (white portion only)
• 1 cup butter, cubed
• 1 cup all-purpose flour
• 1 quart chicken stock or 4 bouillon cubes dissolved in 1 quart hot water
• 1 quart half-and-half cream
• 1/2 teaspoon salt or to taste
• 1/4 teaspoon pepper
• 1 cup cooked potato, diced
• 1 cup diced fully cooked ham