Ingredients:
In saute pan:
Dice ham. Brown in 2 tablespoons of butter. Add onion and celery. Saute 5 minutes.
In sauce pan:
Mix milk, soup, flour, and remaining butter. Heat, then add sauteed ham mixture and corn.
In casserole dish:
Add potatoes and spread out evenly. Cover with soup mixture, stir, cover, and bake at 350 degrees for 1 hour. Uncover. Bake 30 more minutes.