8 slices bread
1/2 to 3/4 lb. hamburger
1/4 c. chopped celery
1/4 c. onion
1 tbsp. mustard
1/2 tsp. salt
1 c. grated cheese
3 eggs, beaten
1 c. milk
1/2 tsp. salt

Heat oven to 350 degrees. Toast bread. Butter both sides and cut diagonally. Brown hamburger, onions and celery. Mix in mustard and first 1/2 of salt. Arrange toast, cheese and hamburger in alternate layers in greased casserole. Top with cheese, mix eggs, milk and second portion of salt. Pour over mixture. Bake 30 to 40 minutes.