Instructions: Preheat oven to 350 degrees.

In a skillet heat olive oil. Add carrot, celery and cook for 3 minutes. Then add mushrooms, garlic, oregano and cook, stirring for 3 minutes more. Stir in spaghetti sauce.

Arrange manicotti tubes in a 9- by 13-inch baking dish. Spoon sauce over manicotti and sprinkle with Parmesan cheese. Place in oven and cook for 20 minutes. Uncover and bake for 5 to 10 minutes more until bubbling and heated through. Serve each portion topped with fresh parsley.

This recipe yields 4 servings.

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