Spinach Momma'S Way
["1 (10 oz.) pkg. frozen chopped spinach", "1/2 c. chopped onion", "1 c. grated Monterey Jack cheese", "1 c. sliced mushrooms"]
["Thaw and drain spinach.", "Place in greased casserole in alternate layers, the spinach, onion and mushrooms, adding a few shakes of salt and pepper as you go, then top this with the cheese.", "Bake at 350\u00b0 for 30 to 40 minutes."]
["spinach", "onion", "grated Monterey", "mushrooms"]