Ingredients:
2 lbs hamburger
1/4 onion, chopped
2 eggs, slightly beaten
1 tsp salt
1/4 tsp black pepper
1 tsp celery seed
1 1/2 cups milk
1 cup dry bread crumbs
3/4 cup American cheese
3/4 cup Mozzarella cheese
Directions:
Mix all ingredients together, except the cheese. Mix ingredients thoroughly. Then add the cheese and fold in lightly. Press mixture into non-stick loaf pan or other pan of choice. Bake in preheated oven at 350 degrees for approximately one hour.