1 1/2 c. zucchini chunks
1 c. onion, chopped
1 c. celery, sliced
1 c. carrot, sliced thin
1 c. mushrooms, sliced
1 lb. ground beef, browned
3 tbsp. butter
1 lb. Ricotta (or cottage cheese) dry curd
1 pkg. Kraft tangy Italian style spaghetti dinner
2 c. (8 oz.) Mozzarella cheese, shredded
Parmesan cheese, grated

Saute vegetables in butter. Prepare spaghetti and sauce as directed on package. In 11 3/4 x 7 1/2-inch baking dish; layer half of spaghetti sauce, Ricotta cheese, vegetable mixture, ground beef and Mozzarella cheese. Repeat layers.

Sprinkle on top with grated Parmesan cheese and ground pepper, if desired. Bake in 350 degree oven for 30 minutes. Let stand 5 minutes. Makes 6-8 servings.