1 large onion
3 T butter
1/4 c flour
1 3/4 c chicken broth
2 T mayo
1/2 t salt
1/8 t pepper
Layer potato, ham, and onion in 2 1/2 qt casserole dish (greased).  In a sauce pan, melt butter.  Stir in flour until smooth.  Gradually add broth, mayo, salt, and pepper.  Cook and stir for 2 minutes or until thick and bubbly.  Pour over potatoes.  Cover and bake at 325 for 1 1/2-2 hrs.
