Melt margarine in large saucepan. Saute vegetables until wilted. Add parsley and crawfish. Cook 10 minutes. Add flour and half and half milk; mix well. Add cheese and stir until well blended. Simmer 30 minutes. Mix with cooked noodles. Top with grated cheese. Bake 20 minutes at 350F.
Cajun Country -- New Iberia, Louisiana