1.Spray Saucepan With Vegetable Cooking Spray. Heat Over Medium Heat 1 Min. Add Onion, Garlic And Italian Seasoning And Cook Until Tender. 2.Add Soup, Pepper And Spinach. Heat To A Boil. Reduce Heat To Low. Cover And Cook 10 Min. Or Until Spinach Is Tender. 3.Add Yogurt And Tomato And Heat Through. Toss With Spaghetti. Sprinkle With Cheese.