You are here: Home » Recipes » Crab and Spinach Casserole with Sour Cream Topping Crab and Spinach Casserole with Sour Cream Topping Recipe by Relish ContributorKitchen Tested Yield 4 servings This is kind of like a crabmeat cocktail in a casserole. PrintEmail Serve it as a luxurious side dish to a fish dinner or as a first course or main course. Ingredients 2 (10-ounce) packages frozen chopped spinach, thawed Salt and pepper to taste1 cup finely chopped onion1 pound lump crabmeat1 cup shredded reduced-fat sharp Cheddar cheese2/3 cup nonfat sour cream3 tablespoons cocktail sauce Instructions Preheat oven to 325F. Squeeze spinach dry and add salt and pepper. In a casserole dish coated with nonstick cooking spray, spread a single layer of spinach, onion, crabmeat and cheese in that order. In a small bowl, combine sour cream and cocktail sauce and spread on top. Bake 45 mintues.