crawfish etoufee

INGREDIENTS: 2 pounds cleaned crawfish tails 1/4 pound butter 1 cup onion, chopped 1/2 cup celery, chopped ½ cup green bell pepper, chopped ½ cup red bell pepper, chopped ½ cup tomatoes, diced 2 tbsps garlic, diced 2 bay leaves 1/2 cup tomato sauce 1 cup flour 2 quarts crawfish stock or water 1 ounce sherry 1 cup green onions, chopped ½ cup parsley, chopped salt and cayenne pepper to taste Louisi