1 (7 oz.) pkg. elbow macaroni (2 c. uncooked)
1 lb. hamburger
1/4 c. celery
1 (15 oz.) jar spaghetti sauce
1 (4.5 oz.) jar mushrooms (optional)
1/3 c. Parmesan cheese
2 beaten eggs
1/2 tsp. garlic powder

Preheat oven to 350 degrees. Grease 10-inch pie pan or 9-inch square pan. Cook macaroni according to package, drain. Brown hamburger with celery, drain, add spaghetti sauce and mushrooms; simmer 15 minutes.

In large bowl, combine cooked macaroni, eggs, Parmesan cheese and garlic. Toss lightly. Place macaroni mixture in prepared pan; press evenly on bottom and up sides of pan, making a crust. Pour meat mixture over. Cover with foil. Bake 25-30 minutes. Remove foil. Let stand 5 minutes before cutting. Sprinkle additional Parmesan cheese on top. 6 servings.