1 lg pkg frozen chopped spinach 1 lb sliced mushrooms 1 1/2 c shredded cheddar cheese 1/4 c chopped onion 2T butter s&p (or seasoning salt) to taste

Preheat oven to 350. Cook and drain spinach. Saute onion and mushrooms in butter until soft. Toss spinach with seasonings and place in bottom of 8" prepared casserole dish. Sprinkle with 1/2 cheese. Layer with mushroom mixture and remaining cheese. Bake 20 min.