Preheat oven to 400 degree F. In a large bowl combine thawed spinach souffle, crabmeat, 1-1/2 cups of the dry stuffing mix, and the hot pepper sauce. Spread in an ungreased 1-quart au gratin dish.
In a small bowl combine remaining 1/2 cup dry stuffing mix and the melted butter; sprinkle over spinach mixture.
Bake in preheated oven about 30 minutes or until heated through. Makes 4 servings.