Leek, Lovage, Potato & Chicken Chowder

Ingredients

• 1/2 lb boneless, skinless chicken breast(s)
• 2 tbsp olive oil
• 2 cups leek(s), light green and white part, sliced
• 1 cup lovage, fresh, sliced
• or
• 1 cup celery leaves and stems, fresh, sliced
• 6 cups potato(es), with skin, diced
• 4 cups water
• 1 tsp salt
• 1/2 tsp black pepper, freshly ground
• 1/4 tsp hot red chili pepper flakes, (optional garnish)
• 1 cup whole milk
• 1 cup cheddar cheese, grated
• 1 cup green onion(s), sliced
• 8 sprigs lovage, fresh (optional)
• 8 sprigs celery leaves, (optional garnish)