Ham And Potato Casserole - cooking recipe

Ingredients

5 to 6 medium to large potatoes
1 c. milk
1 stick butter
2 Tbsp. cornstarch
2 c. cubed ham
1/2 c. chopped celery (optional)
1/4 c. chopped scallions (optional)
1 c. grated cheese (optional)
ham*

Preparation

*Note:
The ham may be leftover baked ham, cubed canned ham or even Spam.