Gently Peel Back Outer Leaves Of Cabbage. Slice 1/2 In. From Bottom Of Cabbage So It Sits Flat. Cut A 3-In. Circle In The Top Of The Cabbage; Hollow Out A Third Of The Cabbage To Form A Bowl (Save Removed Cabbage For Another Use). In A Large Bowl, Combine The Spinach, Sour Cream, Mayonnaise, Onions, Parsley, Lemon Juice And Dill. Spoon Into Cabbage Bowl Just Before Serving. Serve With Vegetables.