Spaghetti Alla Carbonara
["1 (16 oz.) pkg. spaghetti", "1/2 lb. lean bacon", "1 cube butter", "3 eggs", "1/2 c. mushrooms, chopped", "1 c. Parmesan cheese", "1 Tbsp. black pepper"]
["Slice bacon into 1/2-inch strips and add to skillet.", "Cook over low heat.", "Do not overcook (bacon will further cook when added to spaghetti).", "Pour off excess fat."]
["spaghetti", "lean bacon", "butter", "eggs", "mushrooms", "Parmesan cheese", "black pepper"]