Yorkshire Dinner - cooking recipe

Ingredients

1 lb. hamburger
1 large onion, diced
1/2 c. diced celery
salt to taste
1 c. flour
3/4 c. milk
1 egg, beaten
1/2 c. mayonnaise

Preparation

Brown hamburger, onion, celery and salt.
Add remaining ingredients and bake at 400\u00b0 for 30 minutes.
Bake in casserole, uncovered.