Beef-Spinach Casserole - cooking recipe

Ingredients

1 lb. ground beef
1/2 medium onion, chopped
2 small pkg. frozen leaf spinach
1 can cream of celery soup
1 c. sour cream
8 oz. Mozzarella cheese

Preparation

Saute in skillet until beef and onio are brown and tender. Cook and drain.
Combine beef, spinach, soup and sour cream. Season to taste.
Pour into 9 x 13-inch casserole.
Top with grated cheese and bake at 350\u00b0 for 30
minutes.