SCALLOPED POTATOES AND HAM

2 tbsp. butter
2 tbsp. flour
2 tsp. salt
2 c. milk
6 c. raw sliced potatoes
1-2 c. diced ham

Melt butter, stir in flour and salt. Add milk slowly and stir until mixture thickens. Add potatoes slowly and continue to stir until mixture boils again. Add diced ham. Put in greased casserole and bake at 350 degrees for 35 minutes or until potatoes are tender.