Spinach Casserole - cooking recipe

Ingredients

4 boxes chopped frozen spinach
1 carton sour cream
1 pkg. onion soup mix
1/2 lb. sharp cheese, grated
1 can water chestnuts

Preparation

Cook spinach according to package directions.
Blend in last 4 ingredients.
Mix and heat in a 300\u00b0 oven until cheese is melted and bubbly (20 minutes).