1 1/2 sticks butter
2 onions
2 green onions
2 stalks celery
1 bell pepper

Saute these together. Add 2 tablespoons flour, parsley, garlic, and 2 pounds crawfish or shrimp. Cook 15 minutes or until liquid is reduced. Add 1 1/2 cups half & half, 1/2 can Jalapeno relish, 1/2 pound Velveeta or American cheese. Sprinkle top with Parmesan cheese. Cook fettucini; drain. Mix with sauce. Bake 15 minutes in 350 degree oven.