Asparagus Soup

Ingredients

• 1 pound asparagus thin
• 1 cup leeks greens, roughly chopped
• 1 each bay leaves
• 1 each carrots peeled and chopped
• 1 each celery stalk, chopped
• 4 each parsley sprigs
• 1/2 teaspoon salt
• 8 cups water cold
• 3 tablespoons butter
• 3 each leeks white parts, sliced
• 1/2 teaspoon salt
• 1 tablespoon parsley leaves chopped
• 7 cups stock
• 1/2 cup light cream (half&half) optional
• 1 x black pepper
• 1 teaspoon lemon zest grated
• 1 x parmesan, parmigiano-reggiano cheese, grated grated, for garnish