Baked Fish Florentine
["1 lb. white fish fillets (red snapper, sea bas or turbot)", "salt and pepper", "3/4 c. sour cream", "1/3 c. mayonnaise", "2 Tbsp. all-purpose flour", "2 Tbsp. lemon juice", "1/4 tsp. dill weed", "2 bunches spinach, stemmed and well-rinsed (about 1 1/2 lb.)", "paprika"]
["Preheat oven to 400\u00b0.", "Arrange fish fillets in a single layer in a greased 9 x 13-inch baking pan.", "Sprinkle with salt and pepper."]
["white fish", "salt", "sour cream", "mayonnaise", "flour", "lemon juice", "dill weed", "bunches spinach", "paprika"]