Triple Celery Bisque

Ingredients

• 1/2 Tbsp. olive oil
• 1 medium celery root (about 1 lb.), peeled and chopped
• 2 small potatoes, peeled
• 1 medium onion, chopped
• 1 ribbed celery, chopped
• 1 medium leek, trimmed, washed and thinly sliced
• 1/2 tsp. salt
• 1/2 tsp. crushed rosemary
• 1/8 tsp. pepper
• 1 Tbsp. fresh thyme leaves or 1 tsp. dried
• 2 c. water, divided
• 1/4 c. celery leaves
• 1/4 c. evaporated milk