Instructions: In a saucepan cook green beans, covered, in 4 cups salted boiling water for 5 minutes. Add pasta. Return to boiling and boil gently 5 minutes more or till vegetables and pasta are tender. Drain. Set aside. Meanwhile, for cheese sauce, cook mushrooms, onion, basil, and oregano in hot margarine till tender. Stir in flour, salt, and pepper. Add milk all at once. Cook and stir till bubbly. Stir in Swiss cheese, mustard, and hot pepper sauce; cook 1 minute more. Gently toss cheese sauce with pasta vegetable mixture.

Add tomatoes; toss gently. Spoon mixture into a 1 1/2 quart casserole. For topping, mix bread crumbs and Parmesan cheese. (You may cover and chill casserole and crumb mixture seperately at this point for up to 2 days.

Sprinkle topping over casserole. Bake in a 400 oven 20-25 minutes or till hot (35 minutes, if chilled).

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