I found this recipe on a New Orleans website.

Crawfish (Monica inspired)

1 quart heavy cream
1 tbs house seasoning*
1 tbs paprika
1 oz shrimp base
4 oz tasso
6 1/2 oz fresh mushrooms
16 oz cooked rotelli pasta
16 oz crawfish tails

House seasonings:
4 oz salt
1 oz cayenne pepper
1/2 oz black pepper
1/2 oz white pepper
1 oz granulated garlic
1 oz granulated onion
1 tbs thyme
1 tbs oregano
1 oz paprika

Bring cream to a boil. Add seasoning, paprika, and shrimp base. Simmer for one hour. Saute tasso, mushrooms, and crawfish. Add to sauce and simmer for five minutes. Serves 4 to 6 people.