Spinach Cheese Casserole
["9 oz. thin spaghetti or vermicelli, broken, cooked and drained", "1/2 c. butter, melted", "1/2 lb. fresh mushrooms, sliced", "1/4 c. diced onions", "2 (10 oz.) frozen chopped spinach, thawed and squeezed dry", "4 c. Monterey Jack cheese, shredded", "2 c. sour cream", "1/4 to 1/2 tsp. oregano", "1/4 tsp. salt", "1/4 tsp. pepper"]
["Saute butter, mushrooms and onions.", "Add to rest of ingredients and gently mix together.", "Bake in a 9 x 13-inch greased casserole at 350\u00b0 for 45 minutes."]
["thin spaghetti", "butter", "fresh mushrooms", "onions", "cheese", "sour cream", "oregano", "salt", "pepper"]