Step 1

Fry ground beef, onion and celery until ground beef is cooked.

Step 2

Add ketchup, prepared mustard and salt.

Step 3

Layer 4 slices of toast, half of beef mixture and half cup of cheese in greased baking dish (this is the one I use).*

Step 4

Repeat toast and beef layers.

Step 5

Mix milk, egg, dry mustard and pepper and pour over everything.

Step 6

Bake at 350° for 30 minutes.

Step 7

Sprinkle remaining cheese on top and let sit for 5 minutes to melt cheese.