Spinach Dip - cooking recipe

Ingredients

1 pkg. frozen chopped spinach, cooked and drained
1 c. mayonnaise (not salad dressing)
1 c. sour cream
1 can water chestnuts, drained and sliced
1 medium onion, diced
1 pkg. Knorr vegetable soup mix

Preparation

Mix and let set 24 hours.