SO Subcontinent Sweet Potato Soup

Subcontinent Sweet Potato Soup

Ingredients:

1 lb.  Louisiana shrimp, freshly peeled, reserve shells & heads 
2  tbs butter 
2  tbs flour 
1  40 oz can of Bruce's Sweet Potatoes, drained 
1  med onion 
1  med bell pepper 
2  stalks celery 
2  cups shrimp stock 
1  (13.5 ounce) can of coconut millk 
2  limes 
3  bay leaves 
1  tbs mild curry powder 
2  tsp salt 
1/2  tsp ground ginger 
1/2  tsp cayenne pepper 
1/2  tsp white pepper 
1/4   tsp fresh ground nutmeg 
1  tsp red pepper flakes 
1  tbs creole seasoning

Instructions: