1 1/2 c. zucchini slices
1 c. chopped onion
1 c. celery slices
1 c. thin carrot slices
1 c. mushroom slices
3 tbsp. butter
1 pkg. Kraft Tangy Italian Style Spaghetti Dinner plus 1 can tomato paste
1 lb. Ricotta cheese
2 c. shredded Mozzarella cheese

Prepare spaghetti and sauce as directed on package. Saute vegetables in butter. In 11 3/4 x 7 1/2 inch baking dish, layer half of spaghetti, sauce, Ricotta cheese, vegetable mixture and Mozzarella cheese, repeat layers. Sprinkle with grated Parmesan cheese. Bake at 350 degrees for 30 minutes. Let stand 5 minutes. Makes 6 to 8 servings.

To prepare ahead, prepare casserole as directed except for baking. Cover tightly, refrigerate. Bake at 350 degrees for 1 hour and 10 minutes. Let stand 5 minutes.