1.Bring A Large Pot Of Salted Water To Boil, Add Spaghetti And Bring The Water Back To A Rolling Boil. Cook Pasta Until Al Dente; Drain Well. 2.Combine Broccoli, Mushrooms, Butter, Salt, Pepper, Parmesan Cheese, Lemon Juice, Garlic Powder And Basil In A Large Saucepan. Heat The Mixture Over A Low Heat, Stirring Often, Until The Mushrooms And Broccoli Are Hot. 3.Place The Spaghetti And The Hot Mixture In A Large Serving Dish, Toss Lightly Before Serving.