spinach and onion and saute until onion is translucent, stirring frequently, about 5 minutes. Add crabmeat and Parmesan, stirring well to blend. Transfer spinach mixture to 1-qt casserole and bake 15-20 minutes. Or transfer mixture to crockpot to keep warm, stirring occasionally. Can be served hot or cold with crackers. Makes 1/2 cup per "serving"