1 1/2 lb. ground beef
1 c. milk
1/2 c. chopped onion
1/2 c. sliced celery
1/2 c. dried bread crumbs
1 egg
1 tbsp. horseradish or Worcestershire sauce
1 tsp. salt
1/4 tsp. pepper
8 slices processed cheese

Mix together all ingredients except cheese. Spoon half of mixture into 8 inch skillet. Layer on 5 slices of cheese. Cover with remaining meat mixture. Bake for 45 minutes at 350 degrees. Last 5 minutes of baking time, top with remaining cheese. Finish baking.