8 slices of bread or buns
butter
1/2 lb. ground beef
1/4 c. onion, diced
2 tbsp. celery, diced
1 tbsp. prepared mustard
1 c. shredded sharp cheese
2 eggs, beaten
1 c. milk

Spread 4 slices bread lightly buttered and arrange in bottom of 8 inch square baking dish. Toast lightly at 350 degrees about 15 minutes. While bread is toasting, brown meat with onions and celery. Mix in mustard. Spread meat over toasted bread. Sprinkle with cheese. Cover with remaining bread. Combine eggs and milk, pour over bread. Bake at 350 degrees for 40 minutes.