1 1/2 lbs. ground beef
1 egg
1 pkg. dry Italian salad dressing mix
1/2 c. bread crumbs
8 oz. can tomato sauce
1 can sliced mushrooms
1 1/2 c. shredded Mozzarella cheese
Parmesan cheese

Mix together beef, egg, mix and bread crumbs. Put in loaf pan. Pour sauce over top. Sprinkle on mushrooms and Mozzarella cheese. Shake on Parmesan cheese. Bake at 350 degrees for 50 minutes.