3 (10 oz.) pkgs. frozen, chopped spinach, cooked and dried
1 (5 oz.) can water chestnuts
1 (10 oz.) jar Cheese Whiz
8-10 slices crisply cooked crumbled bacon
1/2 can French fried onion rings

Combine spinach, chestnuts (sliced), and 1/3 of cheese in oblong dish. Top with bacon. Spread cheese over top. Top with onion rings. Bake, uncovered, at 350 degrees for 15 minutes.