Mushroom Macaroni
["1 onion, chopped", "1 lb. mushrooms, sliced", "2 Tbsp. oil", "1/4 lb. butter", "3 Tbsp. flour", "2 c. milk", "salt and pepper", "pinch of cayenne pepper", "1/2 c. dry bread crumbs", "1/4 c. grated Parmesan cheese", "3 1/2 c. cooked macaroni (about 1/2 lb. dry)", "3 Tbsp. chopped fresh parsley"]
["Heat oven to 350\u00b0.", "Saute onions and mushrooms in 1 tablespoon oil and 3 tablespoons butter for about 15 minutes.", "Add another 3 tablespoons butter and stir until melted.", "Stir in flour until smooth.", "Gradually stir in milk.", "Add 1 1/2 teaspoons salt, 1/2 teaspoon pepper and the cayenne.", "Bring to boil and cook for 1 minute.", "Stir in macaroni and 2 tablespoons parsley.", "Put in a 2-quart casserole.", "Melt remaining 2 tablespoons of butter. Combine bread crumbs, Parmesan cheese, 1 tablespoon parsley, 1 tablespoon oil and the melted butter.", "Sprinkle on top.", "Bake until browned, about 25 minutes."]
["onion", "mushrooms", "oil", "butter", "flour", "milk", "salt", "cayenne pepper", "bread crumbs", "Parmesan cheese", "macaroni", "parsley"]